Match the following.
-number of unpaired electrons in Cr 2+
A)0
B)2
C)electrons in the outermost shell
D)1
E)electrons in completed shells

Question

Match the following.
-number of unpaired electrons in Cr 2+ 
A)0
B)2
C)electrons in the outermost shell
D)1
E)electrons in completed shells

Quizplus · Accepted Answer

In Cr^{2+, Cr has electronic configuration [Ar] 3d5 4s1. Hence, it has one unpaired electron.
In}, S has electronic configuration [Ne] 3s2 3p4. All the valence electrons of S are paired. Hence, it has 0 unpaired electrons.

Match the Following. -Number of Unpaired Electrons in Cr2+

Match the Following. -Number of Unpaired Electrons in Cr²⁺