Chemistry Terms and Definitions

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Metal

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A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity.

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Luster

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The way a mineral reflects light from its surface.

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Malleable

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A term used to describe material that can be hammered or rolled into flat sheets.

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Ductile

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A term used to describe a material that can be pulled out into long wires.

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Thermal Conductivity

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The ability of an object to transfer heat.

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Electrical Conductivity

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The ability of an object to carry electric current.

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Reactivity

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The ease and speed with which an element combines, or reacts, with other elements and compounds.

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Corrosion

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The gradual wearing away of a metal element due to a chemical reaction.

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Alkali Metal

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An element in group 1. Most reactive metals.

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Alkaline Earth Metal

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An element in group 2. 2nd most reactive metals.