Question

What is true about atomic radius trends on the periodic table?

A. Atomic radius decreases along periods and decreases down groups.
B. Atomic radius decreases along periods and increases down groups.
C. Atomic radius increases along periods and decreases down groups.
D. Atomic radius increases along periods and increases down groups.
It is not b

Answer 1

B. Atomic radius decreases along periods and increases down groups.

Step-by-step explanation:

It decreases in period because of addition of proton effective nuclear charge increase and atomic radius decreases.

Atomic radius increases in group because of addition of shells

Answer 2

D

Step-by-step explanation:

Just took the test, Hope this helps!