Classification of Elements and Periodicity in Properties - Result Question 39
####39. In the periodic table from left to right in a period, the atomic volume
[1993]
(a) Decreases
(b) Increases
(c) Remains same
(d) First decrease then increases
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Solution:
- (d) Atomic volume is the volume occupied by one mole of an element. Within a period from left to right, atomic volume first decreases and then increases due to increase in nuclear charge and increase in molar mass.