Question

how do the following properties vary in a period and in a group of periodic table 1.electropositivity 2.atomic radius
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Answer 1

Electropositive in down the group increase

Atomic radius down the group increase

Answer 2

Answer 1.

In group of periodic table, Electropositivity increases on going from top to buttom in a group.

Electropositivity decreases on going from left to right in a period .

Answer 2.

Atomic radius decrease on going from left to right in a period.

Atomic radius increases on going from top to buttom in a group.