The number of valence electrons that present in Boron should be calculated. Concept Introduction: The closer the atomic orbital is to the nucleus, the lower its energy. Degenerate orbitals have the same energy. The electronic configuration of an atom explain the atomic orbital occupies by the atoms electrons. Electron are assigned to orbitals occupied by the atoms electrons . Electron are assigned to orbitals (atomic or molecular) following the Aufbau principle , the Pauli Exclusion Principle , and valence electron are electron in the outer most shell. Core electron are electrons in inner shells. The outer most shell electron is known as the Valence electron .

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6. Match each of the lettered items in the column on the left with the most appropriate numbered item(s) in the column on the right. Some of the numbered items may be used more than once and some not at all. a. Z = 37 1. b. Mn 2. C. Pr element in period 5 and group 14 element in period 5 and group 15 d. S e. [Rn] 7s¹ f. d block metal 3. highest metallic character of all the elements 4. paramagnetic with 5 unpaired electrons 5. 4f36s2 6. isoelectronic with Ca²+ cation 7. an alkaline metal 8. an f-block element

Answer 1

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Chapter 1.2, Problem 4P

(a)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Boron should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explain the atomic orbital occupies by the atoms electrons.

Electron are assigned to orbitals occupied by the atoms electrons.

Electron are assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(b)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Nitrogen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configurations of an atom explain the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electron is assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(c)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Oxygen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(d)

Interpretation Introduction

Interpretation: The number of valence electronss that present in Fluorine should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electron is assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electrons are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

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6. Match each of the lettered items in the column on the left with the most appropriate numbered item(s) in the column on the right. Some of the numbered items may be used more than once and some not at all. a. Z = 37 1. b. Mn 2. C. Pr element in period 5 and group 14 element in period 5 and group 15 d. S e. [Rn] 7s¹ f. d block metal 3. highest metallic character of all the elements 4. paramagnetic with 5 unpaired electrons 5. 4f36s2 6. isoelectronic with Ca²+ cation 7. an alkaline metal 8. an f-block element

Draw all formal charges on the structures below as is and draw 1 resonance structure that is more stable.

Part II. xiao isolated a compound TAD (Ca H 10 N₂) from tobacco and obtained its IR spectrum. Xiao proposed a chemical structure shown below: % Transmittance 4000 3500 3000 2500 2000 Wavenumber (cm-1) 1500 1000 (a) Explain why her proposed structure is inconsistent with the IR spectrum obtained (b) TAD exists as a tautomer of the structure xiao proposed. Draw the structure and explain why it is more compatible with the obtained spectrum. (C) what is the possible source for the fairly intense signal at 1621cm1

Answer 2

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Chapter 1.2, Problem 4P

(a)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Boron should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explain the atomic orbital occupies by the atoms electrons.

Electron are assigned to orbitals occupied by the atoms electrons.

Electron are assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(b)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Nitrogen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configurations of an atom explain the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electron is assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(c)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Oxygen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(d)

Interpretation Introduction

Interpretation: The number of valence electronss that present in Fluorine should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electron is assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electrons are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

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Answer 3

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Chapter 1.2, Problem 4P

(a)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Boron should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explain the atomic orbital occupies by the atoms electrons.

Electron are assigned to orbitals occupied by the atoms electrons.

Electron are assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(b)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Nitrogen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configurations of an atom explain the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electron is assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(c)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Oxygen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(d)

Interpretation Introduction

Interpretation: The number of valence electronss that present in Fluorine should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electron is assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electrons are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

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Answer 4

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100%

Chapter 1.2, Problem 4P

(a)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Boron should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explain the atomic orbital occupies by the atoms electrons.

Electron are assigned to orbitals occupied by the atoms electrons.

Electron are assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(b)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Nitrogen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configurations of an atom explain the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electron is assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(c)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Oxygen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(d)

Interpretation Introduction

Interpretation: The number of valence electronss that present in Fluorine should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electron is assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electrons are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

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Answer 6

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Answer 7

Chapter 1.2, Problem 4P

(a)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Boron should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explain the atomic orbital occupies by the atoms electrons.

Electron are assigned to orbitals occupied by the atoms electrons.

Electron are assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(b)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Nitrogen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configurations of an atom explain the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electron is assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(c)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Oxygen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

(d)

Interpretation Introduction

Interpretation: The number of valence electronss that present in Fluorine should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electron is assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electrons are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 8

Chapter 1.2, Problem 4P

(a)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Boron should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explain the atomic orbital occupies by the atoms electrons.

Electron are assigned to orbitals occupied by the atoms electrons.

Electron are assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 9

Chapter 1.2, Problem 4P

(a)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Boron should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explain the atomic orbital occupies by the atoms electrons.

Electron are assigned to orbitals occupied by the atoms electrons.

Electron are assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 10

(b)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Nitrogen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configurations of an atom explain the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electron is assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 11

(b)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Nitrogen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configurations of an atom explain the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electron is assigned to orbitals (atomic or molecular) following the Aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 12

(c)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Oxygen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 13

(c)

Interpretation Introduction

Interpretation: The number of valence electrons that present in Oxygen should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electrons are assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electron is electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 14

(d)

Interpretation Introduction

Interpretation: The number of valence electronss that present in Fluorine should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electron is assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electrons are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 15

(d)

Interpretation Introduction

Interpretation: The number of valence electronss that present in Fluorine should be calculated.

Concept Introduction:

The closer the atomic orbital is to the nucleus, the lower its energy.

Degenerate orbitals have the same energy.

The electronic configuration of an atom explains the atomic orbital occupies by the atoms electrons.

Electron is assigned to orbitals occupied by the atoms electrons.

Electrons are assigned to orbitals (atomic or molecular) following the aufbau principle, the Pauli Exclusion Principle, and valence electron are electron in the outer most shell.

Core electrons are electrons in inner shells.

The outer most shell electron is known as the Valence electron.

Answer 16

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Ch. 1.1 - Oxygen has three isotopes, 16O, 17O, and 18O. The...Ch. 1.1 - a. How many protons do the following species...Ch. 1.1 - Chlorine has two isotopes, 35Cl and 37Cl; 75.77%...Ch. 1.2 - Prob. 4P Ch. 1.2 - a. Write the ground-state electronic configuration...Ch. 1.2 - Look at the relative positions of each pair of...Ch. 1.3 - a. Find potassium (K) in the periodic table and...Ch. 1.3 - Which bond is more polar? a. b. c. d.Ch. 1.3 - Which of the following has a. the most polar bond?...Ch. 1.3 - Use the symbols + and to show the direction of...

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