Question

Please answer 24 asap!!! ​

Answer 1

1)

a) Valency --valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules.

b)Atomic size-- Radius of an atom from the

nucleus.

c) Metallic character--Tendency of an atom to lose electrons..

2.

While going left to right.

--Valency first increases n then decreases

--Atomic size reduces

--Metallic character also reduces..

Hope it helped

Answer 2

hey mate, here's your answer
hope it helps you .....