Question

Please answer me I am not writing test or exam. If u answer me I will mark ur answer as brainlist answer​

Answer 1

Answer:

a+b =c

Explanation:

......

..........

Answer 2

Atomic radius is the distance from the centre of the nucleus to the outermost shell containing electrons.

In a period, from left to right, with increase in the atomic number, the atomic radius decreases due to increase in the nuclear charge which increases the attraction of the nucleus for the valence electrons.

Francium has the highest size.