Question

217. Number of atomic orbitals present between 7s to op Orvitai.
(a) 7
(b) 3
(c) 4
(d) 5
218. If the last e that enters in Sc is shielded by each inner e upon an extent 50%. Then
that e is:
(a) 11
(b) 12
(c) 3
(d) 4
it for​

Answer 1

Explanation:

217: answer is (c)4

218: answer is (a)11