Question

2. Which of the following atoms has the smallest atomic radius?

a. Fluorine, F
b. Strontium, Sr
C. Calcium, Ca
d. Gallium, Ga

Answer 1

Fluorine.

Step-by-step explanation:

Fluorine has more protons resulting in a greater nuclear charge, causing a greater attraction for electrons. ... Fluorine has a smaller radius than lithium because of the greater positive charge of the nucleus, pulling electrons and the electron shells in closer.