Metals - Elements that are good conductors of electric current and heat., Luster - Shiny and reflective., Malleable - A material that can be hammered or rolled into flat sheets or other shapes., Ductile - A material that can be pulled out, or drawn, into long wires., Thermal conductivity - The ability of an objet to transfer heat., Electrical conductivity - The ability of an object to carry electric current., Reactivity - The ease and speed with which an element combines, or reacts, with other substances., Corrosion - The deteoration of a metal due to a chemical reaction in the environment., Alkali metals - The most reactve metals in the periodic table., Alkaline earth metals - These metals are harder and denser, and melt at higher temperatures than the alkali metals., Transition metals - These metals include iron, copper, nickel, gold and silver, most of this metals are hard and shiny solids.,

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