8. TRANSITION AND INNER TRANSITION ELEMENTS

1. Choose the most correct option.

vi. Electronic configuration of Cu and Cu+1
a. 3d10, 4s0; 3d9, 4s0
b. 3d9, 4s1; 3d94s0

c. 3d10, 4s1; 3d10, 4s0
d. 3d8, 4s1; 3d10, 4s0

Answer:-  Electronic configuration of Cu and Cu+1 3d10, 4s1; 3d10, 4s0

Chapter 8. TRANSITION AND INNER TRANSITION ELEMENTS page 190