RE-NEET2024Chemistry-Periodic Table
RE-NEET 2024 Chemistry Trends in Atomic Radii MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The correct decreasing order of atomic radii (pm) of Li, Be, B and C is
A
Be > Li > B > C
B
Li > Be > B > C
C
C > B > Be > Li
D
Li > C > Be > B
Correct Answer
Option B
Detailed Explanation
Atomic radii decrease across a period from left to right due to increasing nuclear charge. Therefore, Li > Be > B > C is the correct order.
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