In the periodic table from left to right in a period,the atomic volume

Options

(a) Decreases
(b) Increases
(c) Remains same
(d) First decrease then increases

Correct Answer:

First decrease then increases

Explanation:

Atomic volume is the volume occupied by one gram of an element. Within a period from left to right, atomic volume first decreases and then increases due to increases of nuclear charge and increase in the number of electrons in the valence shell