металл емес

металл емес

A nonmetal is a substance that conducts heat and electricity poorly, is brittle or waxy or gaseous, and cannot be hammered into sheets or drawn into wire. Nonmetals gain electrons easily to form anions . About 20% of the known chemical elements are nonmetals.

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Secteur d’activité/Domaine : Chimie
Catégorie : Chimie générale
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Secteur d’activité/Domaine : Evénements Catégorie : Récompenses

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