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In which of the following groups, when He is placed, its all the properties are satisfied(a) with alkali metals (b) with halogens (c) with inert gases (d) None of these |
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Answer» (c) The differentiating electron enter in s subshell in case of He, hence it is s- block element. Its electronic configuration ls2 makes it inert in nature hence it is placed with inert gases |
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