Why the first member of a group differs from other elements of same group? explain?
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Because hydrogen has one electron in their outermost shell and it has a less at.mass(1.0078).And it has easily interact with electronegative element(eg:H2o,Hcl)
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Because hydrogen has one electron in their outermost shell and it has a less at.mass(1.0078).And it has easily interact with electronegative element(eg:H2o,Hcl)
Explanation:
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