Question

Arrange the following elements into the increasing order of their metallic character along

a period.

(a) S < Si < P < Al b) S < P < Si < Al

(c) Si < P < S < Al d) Si < S < P < Al​

Answer 1

Answer:

(b)

Explanation:

In periodic table, along period from left to right metallic character decreases. That's why the metallic character follows the given order.

Why metallic character decreases ?

• Due to increase in effective nuclear charge, the electrons in the outer shell are held firmly .

Regards

Kshitij