The number of valence electrons in O 2- is to be identified. Concept Introduction: The electrons present in the outermost shell of the atom are known a valence electrons. Valency electrons are important because: The valence electrons decide the reactivity of an element. The valence electrons decide the way an atom forms a bond with another atom. The valence electron in an atom decides the combining capacity of the element. Except inner transition elements valence electrons are present in s or p subshells of elements. For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

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Answer 1

Question

Chapter 4, Problem 4.52EP

(a)

Interpretation Introduction

Interpretation:

The number of valence electrons in O2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(b)

Interpretation Introduction

Interpretation:

The number of valence electrons in S2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(c)

Interpretation Introduction

Interpretation:

The number of valence electrons in Mg2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(d)

Interpretation Introduction

Interpretation:

The number of valence electrons in Be2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

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Answer 2

Question

Chapter 4, Problem 4.52EP

(a)

Interpretation Introduction

Interpretation:

The number of valence electrons in O2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(b)

Interpretation Introduction

Interpretation:

The number of valence electrons in S2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(c)

Interpretation Introduction

Interpretation:

The number of valence electrons in Mg2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(d)

Interpretation Introduction

Interpretation:

The number of valence electrons in Be2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

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Answer 3

Question

Chapter 4, Problem 4.52EP

(a)

Interpretation Introduction

Interpretation:

The number of valence electrons in O2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(b)

Interpretation Introduction

Interpretation:

The number of valence electrons in S2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(c)

Interpretation Introduction

Interpretation:

The number of valence electrons in Mg2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(d)

Interpretation Introduction

Interpretation:

The number of valence electrons in Be2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

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Answer 4

Question

Chapter 4, Problem 4.52EP

(a)

Interpretation Introduction

Interpretation:

The number of valence electrons in O2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(b)

Interpretation Introduction

Interpretation:

The number of valence electrons in S2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(c)

Interpretation Introduction

Interpretation:

The number of valence electrons in Mg2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(d)

Interpretation Introduction

Interpretation:

The number of valence electrons in Be2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

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Answer 5

Chapter 4, Problem 4.52EP

(a)

Interpretation Introduction

Interpretation:

The number of valence electrons in O2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(b)

Interpretation Introduction

Interpretation:

The number of valence electrons in S2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(c)

Interpretation Introduction

Interpretation:

The number of valence electrons in Mg2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

(d)

Interpretation Introduction

Interpretation:

The number of valence electrons in Be2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 6

Chapter 4, Problem 4.52EP

(a)

Interpretation Introduction

Interpretation:

The number of valence electrons in O2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 7

Chapter 4, Problem 4.52EP

(a)

Interpretation Introduction

Interpretation:

The number of valence electrons in O2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The number of valence electrons in S2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The number of valence electrons in S2- is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The number of valence electrons in Mg2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The number of valence electrons in Mg2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The number of valence electrons in Be2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The number of valence electrons in Be2+ is to be identified.

Concept Introduction:

The electrons present in the outermost shell of the atom are known a valence electrons.

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the way an atom forms a bond with another atom.

The valence electron in an atom decides the combining capacity of the element.

Except inner transition elements valence electrons are present in s or p subshells of elements.

For inner transition elements incompletely filled d or f subshells electrons are considered as valence electrons.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 4.1 - Prob. 1QQ Ch. 4.1 - Prob. 2QQ Ch. 4.1 - Prob. 3QQ Ch. 4.2 - How many valence electrons are present in an atom...Ch. 4.2 - Prob. 2QQ Ch. 4.2 - Prob. 3QQ Ch. 4.2 - Prob. 4QQ Ch. 4.2 - Which of the following elements would have the...Ch. 4.3 - Prob. 1QQ Ch. 4.3 - Prob. 2QQ

Solution Summary: The author explains that the number of valence electrons in OText2- is to be identified.

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