Guess the reason why atoms are small but their radius is so large.

As you move down a column, there are more protons, but there are also more complete energy levels below the valence electrons. These lower energy levels shield the valence electrons from the attractive effects of the atom's nucleus, so the atomic radius gets larger.

Explanation:

An atom gets larger as the number of electronic shells increase; therefore the radius of atoms increases as you go down a certain group in the periodic table of elements. In general, the size of an atom will decrease as you move from left to the right of a certain period.

Plz brainliest

Maybe because they span out very far?

Explanation:

air quality

poor drinking water

and heavy polution

can lead to poor health

yes it is balanced