Question

Write scientific reasons.
a. Atomic radius goes on decreasing
while going from left to right in
period.​

Answer 1

Answer:

Atomic radius goes on decreasing while going from left to right in a period. ... Due to the increased nuclear charge the electrons are pulled towards the nucleus to a greater extent, as a result the size of atom decreases i.e., atomic radius decreases.

Answer 2

Answer:

because of

Explanation:

Atomic size gradually decreases from left to right across a period of elements. This is because, within a period or family of elements, all electrons are added to the same shell. However, at the same time, protons are being added to the nucleus, making it more positively charged.