   # Identify how many unpaired electrons are present in each of the followiog in the ground state: O, O + , O − . Os, Zr, S, F, Ar. ### Chemistry

10th Edition
Steven S. Zumdahl + 2 others
Publisher: Cengage Learning
ISBN: 9781305957404

#### Solutions

Chapter
Section ### Chemistry

10th Edition
Steven S. Zumdahl + 2 others
Publisher: Cengage Learning
ISBN: 9781305957404
Chapter 7, Problem 110E
Textbook Problem
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## Identify how many unpaired electrons are present in each of the followiog in the ground state: O, O+, O−. Os, Zr, S, F, Ar.

Interpretation Introduction

Interpretation:

The number of unpaired electrons present in the ground state of each of the elements O,O+,O,Os, Zr, S, F and Ar has to be determined.

Concept introduction:

The number of unpaired electrons present in the ground state can be obtained from the ground state electronic configuration of an atom (unpaired electrons present in the valence shell of the atom)

To determine: The number of unpaired electrons present in the ground state of the given list of elements.

### Explanation of Solution

To determine: The number of unpaired electrons present in the ground state of 'O' .

The ground state configuration of 'O' is 1s22s22px22py12pz1 .

Hence, there are 2 unpaired electrons present in its ground state.

The orbital diagram is,

Figure 1

To determine: The number of unpaired electrons present in the ground state of 'O+' .

The ground state configuration of 'O+' is 1s22s22px12py12pz1 .

Hence, there are 3 unpaired electrons present in its ground state.

The orbital diagram is,

Figure 2

To determine: The number of unpaired electrons present in the ground state of 'O' .

The ground state configuration of 'O' is 1s22s22px22py22pz1 .

Hence, there is 1 unpaired electron present in its ground state.

The orbital diagram is,

Figure 3

To determine: The number of unpaired electrons present in the ground state of 'Os' .

The ground state configuration of 'Os' is 1s22s22p63s23p63d104s24p64d105s25p66s24f145dxy25dyz15dzx15dx2y215dz21 .

Hence, there are 4 unpaired electrons present in its ground state.

The orbital diagram is,

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