Question

Provide the following: (a) write the electron configuration for this cobalt as well as vanadium and (b) its noble gas(ground state) electron configuration

A) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷
B) [Ar] 4s² 3d⁷
C) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d³
D) [Ar] 4s² 3d³

Answer 1

The electron configuration for cobalt is A) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷ and B) [Ar] 4s² 3d⁷, and for vanadium, it is C) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d³ and D) [Ar] 4s² 3d³.

Step-by-step explanation:

When we talk about the electron configuration for cobalt (Co), the correct electron configuration in both standard and noble gas notation is: A) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷ and B) [Ar] 4s² 3d⁷ respectively. Comparatively, for vanadium (V), the electron configurations are: C) 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d³ and D) [Ar] 4s² 3d³. The standard notation includes all electron shells starting from 1s, while the noble gas notation simplifies electron configuration by starting with the configuration of the nearest noble gas and then adding the remaining electrons.