A) \[F>K>Na>Li\]
B) \[Li>Na>K>F\]
C) \[F>Li>Na>K\]
D) \[Na>K>Li>F\]
Correct Answer: C
Solution :
The correct order of atomic radii is\[F>Li>Na>K\] \[\because \] F is last member of second period and whereas Li, Na, K belong to group IA.
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