To determine which element loses electrons and how many electrons are lost per atom in an ionic compound K 2 S . Concept Introduction: The electrons present in the outermost shell of the atom are known as valence electrons. Valency electrons are important because: The valence electrons decide the reactivity of an element. The valence electrons decide the manner in which 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. The group number is similar to number of valence electrons of an atom.

Question

This subatomic element has a charge of -1 and no mass The unequal sharing of electrons in covalent bonds form _____ molecules, such as water During _____ bonding electrons are shared between atoms. The ability of water molecules to form _____ bonds accounts for the unique properties of water. An atom that has lost or gained an electron is called?

Answer 1

Question

Chapter 4, Problem 4.71EP

(a)

Interpretation Introduction

Interpretation:

To determine which element loses electrons and how many electrons are lost per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(b)

Interpretation Introduction

Interpretation:

To determine which element gains electrons and how many electrons are gained per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(c)

Interpretation Introduction

Interpretation:

To determine the identity and charge on positive ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(d)

Interpretation Introduction

Interpretation:

To determine the identity and charge on negative ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

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This subatomic element has a charge of -1 and no mass The unequal sharing of electrons in covalent bonds form _____ molecules, such as water During _____ bonding electrons are shared between atoms. The ability of water molecules to form _____ bonds accounts for the unique properties of water. An atom that has lost or gained an electron is called?

2. A new fictitious element was discovered. It is a metal named jolmium, J, and it has three valence electrons. If it combines with iodine it forms jolmium iodide. Answer the following questions. a. Is this compound ionic or covalent? b. What is the formula of jolmium iodide? c. What is the charge on the metal J in this compound? d. Explain how you know that is the charge?

Do questions 10,11,12 and 13. This is not graded. It’s a study guide.

Answer 2

Question

Chapter 4, Problem 4.71EP

(a)

Interpretation Introduction

Interpretation:

To determine which element loses electrons and how many electrons are lost per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(b)

Interpretation Introduction

Interpretation:

To determine which element gains electrons and how many electrons are gained per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(c)

Interpretation Introduction

Interpretation:

To determine the identity and charge on positive ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(d)

Interpretation Introduction

Interpretation:

To determine the identity and charge on negative ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

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Answer 3

Question

Chapter 4, Problem 4.71EP

(a)

Interpretation Introduction

Interpretation:

To determine which element loses electrons and how many electrons are lost per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(b)

Interpretation Introduction

Interpretation:

To determine which element gains electrons and how many electrons are gained per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(c)

Interpretation Introduction

Interpretation:

To determine the identity and charge on positive ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(d)

Interpretation Introduction

Interpretation:

To determine the identity and charge on negative ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

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Answer 4

Question

Chapter 4, Problem 4.71EP

(a)

Interpretation Introduction

Interpretation:

To determine which element loses electrons and how many electrons are lost per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(b)

Interpretation Introduction

Interpretation:

To determine which element gains electrons and how many electrons are gained per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(c)

Interpretation Introduction

Interpretation:

To determine the identity and charge on positive ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(d)

Interpretation Introduction

Interpretation:

To determine the identity and charge on negative ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

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Answer 5

Chapter 4, Problem 4.71EP

(a)

Interpretation Introduction

Interpretation:

To determine which element loses electrons and how many electrons are lost per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(b)

Interpretation Introduction

Interpretation:

To determine which element gains electrons and how many electrons are gained per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(c)

Interpretation Introduction

Interpretation:

To determine the identity and charge on positive ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

(d)

Interpretation Introduction

Interpretation:

To determine the identity and charge on negative ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 6

Chapter 4, Problem 4.71EP

(a)

Interpretation Introduction

Interpretation:

To determine which element loses electrons and how many electrons are lost per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 7

Chapter 4, Problem 4.71EP

(a)

Interpretation Introduction

Interpretation:

To determine which element loses electrons and how many electrons are lost per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 8

(b)

Interpretation Introduction

Interpretation:

To determine which element gains electrons and how many electrons are gained per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 9

(b)

Interpretation Introduction

Interpretation:

To determine which element gains electrons and how many electrons are gained per atom in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 10

(c)

Interpretation Introduction

Interpretation:

To determine the identity and charge on positive ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 11

(c)

Interpretation Introduction

Interpretation:

To determine the identity and charge on positive ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 12

(d)

Interpretation Introduction

Interpretation:

To determine the identity and charge on negative ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 13

(d)

Interpretation Introduction

Interpretation:

To determine the identity and charge on negative ions present in an ionic compound K2S.

Concept Introduction:

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

Valency electrons are important because:

The valence electrons decide the reactivity of an element.

The valence electrons decide the manner in which 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.

The group number is similar to number of valence electrons of an atom.

Answer 14

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Answer 25

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 valence electrons decide the reactivity of an element, the manner in which an atom forms a bond, and the combination capacity of the element.

Chapter 4 Solutions