Answered: Draw the orbital diagram and give the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Draw the orbital diagram and give the number of unpaired electrons in N^-

Expert Solution

Step 1

The number of unpaired electrons in N^- ion are to be determined with the help of orbital diagram.

According to the Aufbau principle electrons are filled into atomic orbitals in the increasing order of orbital energy level. The available atomic orbitals with the lowest energy levels are occupied before those with higher energy levels. This implies that the electrons enter the orbitals having higher energies only when orbitals with lower energies have been completely filled.

The order in which the orbitals are filled with electrons is: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p, and so on.

According to Hund's rule, every orbital in a sublevel is singly occupied before pairing of electrons.

s subshell has only one orbital, p has three orbitals and d has 5 orbitals.

Each orbital can hold maximum of two electrons with opposite spin.

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