A. 2
B. 3
C. 4
D. 5
Correct Answer:
Option D = 5
Explanation
Its electronic configuration in ground state is 1s2 2s2 2p6 3s2 3p6 4s1 3d5.
A. 2
B. 3
C. 4
D. 5
Correct Answer:
Option D = 5
Explanation
Its electronic configuration in ground state is 1s2 2s2 2p6 3s2 3p6 4s1 3d5.
Copyright warnings! Do not copy.