Question

How do the following properties very in a period and in a group of periodic table
1)Electro positivity.
2)Atomic radius

Answer 1

electro positivity increases down the group and decreases from left to right in a period

atomic radius increases down the group and decreases from left to right in a period

Answer 2

Hii mate!!

Here's your answer.

1)Electropositivity decrease along the period due to increase in nuclear charge.

It increase along group due to increase in number of shells.

2)Atomic radius decrease along period and increase along group.

Hope it helps you.