Non-metals accept the electrons which are released by a metal atom and become negatively charged (Anion)
Non-metals are substances without any metallic properties like malleability, ductility, etc. They function well as heat and electrical insulators. Mostly gases, but occasionally liquids, they are. Some of them, like carbon, sulfur, and phosphorus, are even solid at ambient temperature.
Non-metals have more than 4 valence electrons in their outermost shell, hence they accept the electrons to become stable by attaining octet configuration.
Whereas metal atoms have less than 4 electrons in their outermost shell and hence, they release the electron to attain the octet configuration
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