An atom of an element has electronic structure \( 2,8,1 \) which statement is correct for it? (a...

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An atom of an element has electronic structure \( 2,8,1 \) which statement is correct for it?
(a) It has a valency of 7
(b) It exists as a diatomic molecule.
(c) The element is of non-metallic nature.
(d) It forms a basic oxide.
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