Explain why hydrogen is not placed with the halogen in the periodic table.
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20
Hi there!
It does not belong to any groups.
Hydrogen is a confused element. Its properties are a strange combination of metals and nonmetals. For example, it has a simple molecular structure like nitrogen but forms stable +1 ions like pottasium.
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8
Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals. ... Hydrogen has a much smaller electron affinity than the halogens. H2 dihydrogen or molecular hydrogen is non-polar with two electrons.
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