1 Answer

Thamara · Answer 1 · 2022-08-15T01:52:47+0000

Answer:

(b) A and C belongs to same group.

(c) D is a non metal.

Step-by-step explanation:

The Electronic Configuration of E is

$1s {}^(2) 2s {}^(2)2p {}^(6) 3s {}^(2) 3p {}^(6) 4s {}^(2)$

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