contestada

Atomic size generally______.

A. decreases as you move from top to bottom within a group

B. remains constant within a period

C. decreases as you move from left to right across a period

D. increases as you move from left to right across a period​

Respuesta :

Option C, decreases as you move from left to right across a period

As you move from left to right across a period, the atoms get more and more protons. These protons pull on the electrons, making the atoms progressively smaller and smaller because of the increasing pull.