# Atomic radius goes on decreasing while going from left to right in a period. - Science and Technology 1

Atomic radius goes on decreasing while going from left to right in a period.

#### Solution

Atomic Radius to right in a radius decreases while going from left to right in a period. This is because when we move left to right in a period atomic number increases thus the valence electron feels more attraction towards the nucleus. thus size decreases. Also effective nuclear charge increases due to which size decreases.

Concept: Periodic Properties - Periodic Properties: Atomic Radius Or Atomic Size
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#### APPEARS IN

Balbharati Science and Technology Part 1 10th Standard SSC Maharashtra State Board
Chapter 2 Periodic Classification of Element
Q 7.1 | Page 29