How does atomic radius change from top to bottom in a group in the periodic table?

It tends to decrease.
It tends to increase.
It first increases, then decreases.
It first decreases, then increases.

I believe it's A
It tends to decrease.

Question

How does atomic radius change from top to bottom in a group in the periodic table?

It tends to decrease.
It tends to increase.
It first increases, then decreases.
It first decreases, then increases.

I believe it's A 
It tends to decrease.

thomaster · Answer

anonymous · Answer

Going from the top to the bottom increase the atomic radius.

thomaster · Answer

That's correct :)