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Tb (Z = 65) loses electrons from orbita...

Tb (Z = 65) loses electrons from _________ orbitals to form `Tb^(3+)` ion.

A

6s and 4f

B

6s, 5d and 4f

C

only 4f

D

5d and 4f

Text Solution

Verified by Experts

The correct Answer is:
A
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