Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns1 electron configuration like the alkali metals.
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Nov 1, 2020 · Hydrogen is a diatomic gas, that under very extreme and specific conditions can display the characteristics of a metal.
Sep 20, 2015 · Hydrogen is a nonmetal and is placed above group in the periodic table because it has ns^1 electron configuration like the alkali metals.
Jun 30, 2023 · Because hydrogen is a nonmetal and forms H- (hydride anions), it is sometimes placed above the halogens in the periodic table. Hydrogen also ...
Nonmetals are chemical elements that mostly lack distinctive metallic properties. They range from colorless gases like hydrogen to shiny crystals like ...