In which respect hydrogen differs from alkali metals and halogens?
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➡ Unlike alkali metals, Hydrogen has a very high ionisation enthalpy and does not possess metallic characteristics under normal conditions.
➡ Halogens react very fastly by accepting one electron. But in terms of reactivity, Hydrogen is very low as compares to halogens.
➡ Halogens react very fastly by accepting one electron. But in terms of reactivity, Hydrogen is very low as compares to halogens.
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