Question

why atomic size increases from left to right across the periodic table​

Answer 1

Answer:

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. ... Down a group, atomic radius increases.

Explanation:

Hope it helps u

Answer 2

Answer:

its all depends on The to show the five rare elements or gasses in one side of the table..