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(A), (B) and (C) are elements in the third short period. Oxide of (A) is ionic, that of (B) is amphoteric and of (C) a gaint molecule (A), (B) and (C) have atomic number in the order

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An Intiative by Sri Chaitanya

$A < B < C$

$C < B < A$

$A < C < B$

$B < A < C$

answer is A.

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A,B and C are Mg,Al and Si

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