Metals : Malleable, Form cations in ionic compounds, shiny solids at room temperature and good conduct of electricity.
Non Metals : Gases at room temperature , forms anions in ionic compounds, poor conductors of heat.
Metals are all elements besides hydrogen that undergo chemical reactions and lose electrons to produce positive ions. Metals are electropositive elements as a result. They have a brilliant shine, are tough, can resonate sound, and are great heat and electricity conductors. Except for mercury, all metals are solids under normal circumstances.
Non-metals are elements that frequently gain electrons during chemical processes to generate anions. These substances are electronegative ones. They lack luster, are fragile, and are poor heat- and electricity-conductors (except graphite). Non-metals come in solid, liquid, or gaseous forms.
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