An element has the electronic configuration 1 s^2 ,2 s^2 2 p^6 ,3… - Vidyadip

MCQ

An element has the electronic configuration $1{s^2},2{s^2}2{p^6},3{s^2}3{p^2}$. Its valency electrons are

A
$6$
B
$2$
C
$3$
✓
$4$

✓

Answer

Correct option: D.

$4$

d
(d) An element has the electronic configuration $1{s^2},\,2{s^2}\,2{p^6},\,\,3{s^2}\,3{p^2},\,(Si)$. It’s valency electrons are four.

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