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An element has electronic configuration 2, 8, 8, 1. Which statement is not correct about the element ? (A) It is present in group 3 (B) Its valency is one negative (C) It is present in group 1 (D) It is present in 4th period |
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Answer» (A) It is present in group 3 / (B) Its valency is one negative → 2, 8, 8, 1 Present in group (3) & valency is (-1) is wrong |
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