The electronic configuration of an element X is 2,8,2. Is element X a metal or non-metal? Justify your answer
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answer:12 non mental
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2+8+2plus karna hai
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The electronic configuration of an element X is 2,8,2.
That means it has a valency of +2
Therefore, X is a metal as its an electron donor. Secondly, it has also low inonisation energy.
X is Magnesium(Mg)
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