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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

Write electron configurations for the following ions.

  a.    Ni2+

  b.    Cd2+

  c.    Zr3+ and Zr4+

  d.    Os2+ and Os3+

(a)

Interpretation Introduction

Interpretation:

Electronic configuration of the following metals has to be written –

(a)   Ni2+(b) Cd2+(c) Zr3+, Zr4+(d) Os2+, Os3+

Concept Introduction:

Electronic configuration of an atom represents the arrangement of electrons in various energy levels.  The electrons are arranged in increasing order of energy levels according to Aufbau principle.  It is pictorially represented as –

Chemistry, Chapter 21, Problem 22E , additional homework tip  1

Figure 1

The terms 1s, 2s, 3s ... etc represent the energy levels inside an atom in which electrons are filled.

Explanation

Atomic number of Nickel is 28 . Accordingly the electronic configuration is –

1s22s22p63s23p63d84s2

Ni2+ is formed when Nickel loses two electrons

(b)

Interpretation Introduction

Interpretation:

Electronic configuration of the following metals has to be written –

(a)   Ni2+(b) Cd2+(c) Zr3+, Zr4+(d) Os2+, Os3+

Concept Introduction:

Electronic configuration of an atom represents the arrangement of electrons in various energy levels.  The electrons are arranged in increasing order of energy levels according to Aufbau principle.  It is pictorially represented as –

Chemistry, Chapter 21, Problem 22E , additional homework tip  2

Figure 1

The terms 1s, 2s, 3s ... etc represent the energy levels inside an atom in which electrons are filled.

 (c)

Interpretation Introduction

Interpretation:

Electronic configuration of the following metals has to be written –

            (a)   Ni2+(b) Cd2+(c) Zr3+, Zr4+(d) Os2+, Os3+

Concept Introduction:

Electronic configuration of an atom represents the arrangement of electrons in various energy levels.  The electrons are arranged in increasing order of energy levels according to Aufbau principle.  It is pictorially represented as –

Chemistry, Chapter 21, Problem 22E , additional homework tip  3

Figure 1

The terms 1s, 2s, 3s ... etc represent the energy levels inside an atom in which electrons are filled.

(d)

Interpretation Introduction

Interpretation:

Electronic configuration of the following metals has to be written –

(a)   Ni2+(b) Cd2+(c) Zr3+, Zr4+(d) Os2+, Os3+

Concept Introduction:

Electronic configuration of an atom represents the arrangement of electrons in various energy levels.  The electrons are arranged in increasing order of energy levels according to Aufbau principle.  It is pictorially represented as –

Chemistry, Chapter 21, Problem 22E , additional homework tip  4

Figure 1

The terms 1s, 2s, 3s ... etc represent the energy levels inside an atom in which electrons are filled.

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