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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
Question
Out of Li, C and N, which element form the most basic oxide and which form the most acidic oxide?
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Answer

Li, C and N all three belong to the same period. They are present in the order: Li < Be < B < C < N.On moving along a period from left to right, the metallic character decreases and non-metallic character increases. So Lithium forms the most basic oxide as it is a metal and nitrogen forms the most acidic oxide as it is a non - metal.

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