Question

Why do elements in the same group or column of the periodic table have similar properties?

A.
They have the same number of electron shells.

B.
They have the same number of outer shell electrons.

C.
They have the same number of neutrons.

D.
They have the same number of protons.

Answer 1

I think B

Answer 2

@Love_Ranaa

Answer 3

B looks good

Answer 4

yeah B

Answer 5

You're right. its B

Answer 6

Thanks