Metal properties: Strong, Malleable and ductile, React with oxygen to form basic oxides, Sonorous, High melting and boiling points, Good conductors of electricity, Good conductors of heat, Mainly solids at room temp. , Shiny when polished, High density, eg. Fe, Mg, K and Al, Non-metal properties: Brittle, React with oxygen to form acidic oxides, Dull sound when hit with hammer, Low melting and boiling points (except diamond), Poor conductors of electricity (except graphite), Poor conductors of heat, C, S, I, and P solids at room temp., Br - liquid at room temperature, O₂ N₂ Cl₂ Ar and Xe -gasses at room temeperature, Dull looking, Low density,

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