(a) Interpretation: True and false Elements in the same column of the periodic table have the same-outer shell electron configuration. Concept Introduction: The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number . Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Question

16. The proton NMR spectral information shown in this problem is for a compound with formula CioH,N. Expansions are shown for the region from 8.7 to 7.0 ppm. The normal carbon-13 spec- tral results, including DEPT-135 and DEPT-90 results, are tabulated: 7 J Normal Carbon DEPT-135 DEPT-90 19 ppm Positive No peak 122 Positive Positive cus и 124 Positive Positive 126 Positive Positive 128 No peak No peak 4° 129 Positive Positive 130 Positive Positive (144 No peak No peak 148 No peak No peak 150 Positive Positive してし

Answer 1

Question

Chapter 2, Problem 54P

Interpretation Introduction

(a)

Interpretation:

True and false

Elements in the same column of the periodic table have the same-outer shell electron configuration.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(b)

Interpretation:

True and false

All group 1A elements have one electron in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(c)

Interpretation:

True and false

All group 6A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(d)

Interpretation:

True and false

All group 8A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(e)

Interpretation:

True and false

In the periodic table, Period 1 has one element, Period 2 has two elements, Period 3 has three elements and so forth.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(f)

Interpretation:

True and false

Period 2 results from filling the 2s an 2p orbitals and therefore, there are eight elements in period 2.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(g)

Interpretation:

True and false

Period 3 results from filling the 3s, 3p and 3d orbitals, and therefore, there are nine elements in Period 3.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(h)

Interpretation:

True and false

The main group elements are s block and p block elements.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

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16. The proton NMR spectral information shown in this problem is for a compound with formula CioH,N. Expansions are shown for the region from 8.7 to 7.0 ppm. The normal carbon-13 spec- tral results, including DEPT-135 and DEPT-90 results, are tabulated: 7 J Normal Carbon DEPT-135 DEPT-90 19 ppm Positive No peak 122 Positive Positive cus и 124 Positive Positive 126 Positive Positive 128 No peak No peak 4° 129 Positive Positive 130 Positive Positive (144 No peak No peak 148 No peak No peak 150 Positive Positive してし

3. Propose a synthesis for the following transformation. Do not draw an arrow-pushing mechanism below, but make sure to draw the product of each proposed step (3 points). + En CN CN

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Answer 2

Question

Chapter 2, Problem 54P

Interpretation Introduction

(a)

Interpretation:

True and false

Elements in the same column of the periodic table have the same-outer shell electron configuration.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(b)

Interpretation:

True and false

All group 1A elements have one electron in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(c)

Interpretation:

True and false

All group 6A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(d)

Interpretation:

True and false

All group 8A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(e)

Interpretation:

True and false

In the periodic table, Period 1 has one element, Period 2 has two elements, Period 3 has three elements and so forth.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(f)

Interpretation:

True and false

Period 2 results from filling the 2s an 2p orbitals and therefore, there are eight elements in period 2.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(g)

Interpretation:

True and false

Period 3 results from filling the 3s, 3p and 3d orbitals, and therefore, there are nine elements in Period 3.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(h)

Interpretation:

True and false

The main group elements are s block and p block elements.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

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Answer 3

Question

Chapter 2, Problem 54P

Interpretation Introduction

(a)

Interpretation:

True and false

Elements in the same column of the periodic table have the same-outer shell electron configuration.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(b)

Interpretation:

True and false

All group 1A elements have one electron in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(c)

Interpretation:

True and false

All group 6A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(d)

Interpretation:

True and false

All group 8A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(e)

Interpretation:

True and false

In the periodic table, Period 1 has one element, Period 2 has two elements, Period 3 has three elements and so forth.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(f)

Interpretation:

True and false

Period 2 results from filling the 2s an 2p orbitals and therefore, there are eight elements in period 2.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(g)

Interpretation:

True and false

Period 3 results from filling the 3s, 3p and 3d orbitals, and therefore, there are nine elements in Period 3.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(h)

Interpretation:

True and false

The main group elements are s block and p block elements.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

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Answer 4

Question

Chapter 2, Problem 54P

Interpretation Introduction

(a)

Interpretation:

True and false

Elements in the same column of the periodic table have the same-outer shell electron configuration.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(b)

Interpretation:

True and false

All group 1A elements have one electron in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(c)

Interpretation:

True and false

All group 6A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(d)

Interpretation:

True and false

All group 8A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(e)

Interpretation:

True and false

In the periodic table, Period 1 has one element, Period 2 has two elements, Period 3 has three elements and so forth.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(f)

Interpretation:

True and false

Period 2 results from filling the 2s an 2p orbitals and therefore, there are eight elements in period 2.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(g)

Interpretation:

True and false

Period 3 results from filling the 3s, 3p and 3d orbitals, and therefore, there are nine elements in Period 3.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(h)

Interpretation:

True and false

The main group elements are s block and p block elements.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

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Answer 5

Chapter 2, Problem 54P

Interpretation Introduction

(a)

Interpretation:

True and false

Elements in the same column of the periodic table have the same-outer shell electron configuration.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(b)

Interpretation:

True and false

All group 1A elements have one electron in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(c)

Interpretation:

True and false

All group 6A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(d)

Interpretation:

True and false

All group 8A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(e)

Interpretation:

True and false

In the periodic table, Period 1 has one element, Period 2 has two elements, Period 3 has three elements and so forth.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(f)

Interpretation:

True and false

Period 2 results from filling the 2s an 2p orbitals and therefore, there are eight elements in period 2.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(g)

Interpretation:

True and false

Period 3 results from filling the 3s, 3p and 3d orbitals, and therefore, there are nine elements in Period 3.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Interpretation Introduction

(h)

Interpretation:

True and false

The main group elements are s block and p block elements.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 6

Chapter 2, Problem 54P

Interpretation Introduction

(a)

Interpretation:

True and false

Elements in the same column of the periodic table have the same-outer shell electron configuration.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 7

Chapter 2, Problem 54P

Interpretation Introduction

(a)

Interpretation:

True and false

Elements in the same column of the periodic table have the same-outer shell electron configuration.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 8

Interpretation Introduction

(b)

Interpretation:

True and false

All group 1A elements have one electron in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 9

Interpretation Introduction

(b)

Interpretation:

True and false

All group 1A elements have one electron in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 10

Interpretation Introduction

(c)

Interpretation:

True and false

All group 6A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 11

Interpretation Introduction

(c)

Interpretation:

True and false

All group 6A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 12

Interpretation Introduction

(d)

Interpretation:

True and false

All group 8A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 13

Interpretation Introduction

(d)

Interpretation:

True and false

All group 8A elements have eight electrons in their valence shell.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 14

Interpretation Introduction

(e)

Interpretation:

True and false

In the periodic table, Period 1 has one element, Period 2 has two elements, Period 3 has three elements and so forth.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 15

Interpretation Introduction

(e)

Interpretation:

True and false

In the periodic table, Period 1 has one element, Period 2 has two elements, Period 3 has three elements and so forth.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 16

Interpretation Introduction

(f)

Interpretation:

True and false

Period 2 results from filling the 2s an 2p orbitals and therefore, there are eight elements in period 2.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 17

Interpretation Introduction

(f)

Interpretation:

True and false

Period 2 results from filling the 2s an 2p orbitals and therefore, there are eight elements in period 2.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 18

Interpretation Introduction

(g)

Interpretation:

True and false

Period 3 results from filling the 3s, 3p and 3d orbitals, and therefore, there are nine elements in Period 3.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 19

Interpretation Introduction

(g)

Interpretation:

True and false

Period 3 results from filling the 3s, 3p and 3d orbitals, and therefore, there are nine elements in Period 3.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 20

Interpretation Introduction

(h)

Interpretation:

True and false

The main group elements are s block and p block elements.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 21

Interpretation Introduction

(h)

Interpretation:

True and false

The main group elements are s block and p block elements.

Concept Introduction:

The periodic table of an element is the chemical element’s tabular arrangement structured according to their electronic configuration, chemical properties and atomic number. Usually in one period or row towards the left elements are metal and non-metal towards the right having the elements with same chemical properties are kept in the same column. Table column are known as groups and table rows are known as periods.

Answer 22

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Answer 23

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Answer 24

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Answer 25

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Answer 26

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Answer 27

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Answer 33

Ch. 2.2 - Problem 2-1 Write the formulas of compounds in...Ch. 2.4 - Problem 2-2 What is the mass number of an atom...Ch. 2.4 - Problem 2-3 Name the elements given in Problem...Ch. 2.4 - Problem 2-4 (a) What are the atomic numbers of...Ch. 2.4 - Prob. 2.5QC Ch. 2.4 - Problem 2-6 The atomic weight of lithium is 6.941...Ch. 2.6 - Problem 2-7 Write the Lewis dot structure for the...Ch. 2 - Prob. 1P Ch. 2 - 9 Answer true or false. (a) Matter is divided into...Ch. 2 - Prob. 3P

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