(a) Interpretation: The element withatomic number 2 is to be identified and number of protons and electrons is to be stated. Concept Introduction: An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number .

Question

Identify the element with each atomic number, and give the number of protons and electrons in the neutral atom: (a) 2; (b) 11; (c) 20; (d) 47; (e) 78.

Answer 1

Question

Chapter 2.2, Problem 2.9P

Interpretation Introduction

(a)

Interpretation:

The element withatomic number 2 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(b)

Interpretation:

The element with atomic number 11 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(c)

Interpretation:

The element with atomic number 20 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(d)

Interpretation:

The element with atomic number 47 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(e)

Interpretation:

The element with atomic number 78 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

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Identify the element with each atomic number, and give the number of protons and electrons in the neutral atom: (a) 2; (b) 11; (c) 20; (d) 47; (e) 78.

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Answer 2

Question

Chapter 2.2, Problem 2.9P

Interpretation Introduction

(a)

Interpretation:

The element withatomic number 2 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(b)

Interpretation:

The element with atomic number 11 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(c)

Interpretation:

The element with atomic number 20 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(d)

Interpretation:

The element with atomic number 47 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(e)

Interpretation:

The element with atomic number 78 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

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Answer 3

Question

Chapter 2.2, Problem 2.9P

Interpretation Introduction

(a)

Interpretation:

The element withatomic number 2 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(b)

Interpretation:

The element with atomic number 11 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(c)

Interpretation:

The element with atomic number 20 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(d)

Interpretation:

The element with atomic number 47 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(e)

Interpretation:

The element with atomic number 78 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

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Answer 4

Question

Chapter 2.2, Problem 2.9P

Interpretation Introduction

(a)

Interpretation:

The element withatomic number 2 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(b)

Interpretation:

The element with atomic number 11 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(c)

Interpretation:

The element with atomic number 20 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(d)

Interpretation:

The element with atomic number 47 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(e)

Interpretation:

The element with atomic number 78 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

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Answer 5

Chapter 2.2, Problem 2.9P

Interpretation Introduction

(a)

Interpretation:

The element withatomic number 2 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(b)

Interpretation:

The element with atomic number 11 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(c)

Interpretation:

The element with atomic number 20 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(d)

Interpretation:

The element with atomic number 47 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Interpretation Introduction

(e)

Interpretation:

The element with atomic number 78 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 6

Chapter 2.2, Problem 2.9P

Interpretation Introduction

(a)

Interpretation:

The element withatomic number 2 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 7

Chapter 2.2, Problem 2.9P

Interpretation Introduction

(a)

Interpretation:

The element withatomic number 2 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The element with atomic number 11 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The element with atomic number 11 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The element with atomic number 20 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The element with atomic number 20 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The element with atomic number 47 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The element with atomic number 47 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 14

Interpretation Introduction

(e)

Interpretation:

The element with atomic number 78 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 15

Interpretation Introduction

(e)

Interpretation:

The element with atomic number 78 is to be identified and number of protons and electrons is to be stated.

Concept Introduction:

An atom has three sub particles, electrons, protons and neutrons. The electrons carry a negative charge; protons carry a positive charge while neutrons are neutral entities. The number of proton in an atom is assigned as its atomic number.

Answer 16

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Answer 17

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Answer 27

Ch. 2.1 - Give the symbol for each element. a. calcium, a...Ch. 2.1 - Give the name corresponding to each element...Ch. 2.1 - Locate each element in the periodic table and...Ch. 2.1 - Classify each micronutrient in Figure 2.2 as a...Ch. 2.1 - Identify the elements used ineach example of...Ch. 2.1 - Identify the elements in each chemical formula,...Ch. 2.1 - Prob. 2.7P Ch. 2.2 - Prob. 2.8P Ch. 2.2 - Prob. 2.9P Ch. 2.2 - For the given atom: (a) determine the number of...

Solution Summary: The author explains that an atom has three sub particles, electrons, protons, and neutrons. The number of proton is assigned as its atomic number.

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Chapter 2 Solutions