Question

Explain the variation of the following properties of the element in the periodic table.; (i) Atomic radius in a period.; (ii) Metallic character in a period.; (iii) valency in a group.(Delhi - 2012)

Answer 1

Answer:

1. decrease, 2. decrease, 3. same.

Answer 2

Dear Student,

◆ Answer -

(i) decreases

(ii) decreases

(iii) remains same

● Explanation -

=> Atomic radius -

- decreses along a period

- increases down a group

=> Metallic character -

- decreses along a period

- increases down a group

=> Valency -

- first increases and then decreases along a period

- remains same down a group

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