Question

Which of the following reason correctly justifies that "Fluorine
(72pm) has smaller atomic radius than Lithium (152pm)"?
a) F and Li are in the same group. Atomic size increases
down the group.
b) F and Li are in the same period. Atomic size
increases across the period due to increase in number
of shells.
c) F and Li are in the same group. Atomic size decreases
down the group.
d) F and Li are in the same period and across the period
atomic size/radius decreases from left to right.​

Answer 1

Answer:

'd' is a correct answer.

Explanation: