alleryStart learning →Which has the largest atomic radius?
ALi
BRb
CK
DNa
Answer & Solution
Correct answer: B. Rb
1. Atomic radius grows down Group 1.
2. Among Li, Na, K, Rb the lowest in the group is Rb.
3. So Rb has the largest atomic radius.
4. The order is Li < Na < K < Rb.
_Source: Selina Concise Chemistry ICSE Class 9, Ch 5 'The Periodic Table'_
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