ICSE Class 10 Chemistry
Question 27 of 30
Periodic Table — Periodic Properties & Variation of Properties — Question 23
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Question Question 23
The element with the largest atomic size from the elements of period-1, 2 and 3.
Sodium
Reason — As atomic size decreases across a period (from left to right) and increases down a group hence sodium will have the largest atomic size from the elements of period-1, 2 and 3 because it is placed in period 3 and group 1 and is at the lower left side among the given elements.