A metal is a material that conducts electricity and heat relatively well. It may be a chemical element such as iron or copper, or an alloy such as steel or Bronze. Over 75% of the elements in the Periodic Table are Metals.

Metals: Key Facts

• The metal having lightest density is Lithium
• The metal having heaviest density is Osmium
• The metal having lowest melting point is Mercury
• The metal having highest melting point is Tungsten
• The most expensive metal is Platinum
• The most rarest metal is Rhodium
• The most abundant metal is Aluminium
• The most inert (nonreactive) metal is Iridium
• The most reactive metal is Francium
• The most brittle metal is Manganese

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