Question

going across a period from left to right,atomic size ____​

Answer 1

Answer:

atomic size increases!!!!

Explanation:

The atomic number increases moving left to right across a period and subsequently so does the effective nuclear charge. Therefore, moving left to right across a period the nucleus has a greater pull on the outer electrons and the atomic radii decrease...

Answer 2

Explanation:

going across a period from left to right atomic size will increase