Metals (Iron, copper, aluminium, gold, silver, sodium): Lustrous (shiny), hard (except sodium, potassium), high melting point, malleable (beaten into sheets), ductile (drawn into wires), sonorous (produce sound when struck), good conductor of heat and electricity. Exceptions: Mercury is liquid at room temperature. Sodium and Potassium are soft metals stored in oil (react violently with air/water).
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