8 CI Ch 1 Vocab

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Alkali metal

Back

Element in group 1 of the periodic table.

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Alloy

Back

Material made of 2+ elements with metal properties.

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atom

Back

smallest particle of an element

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Atomic number

Back

Number of protons in the nucleus.

Front

Chemical bond

Back

The force that holds atoms together.

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Chemical formula

Back

Combination of symbols representing elements in a compound.

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Compound:

Back

A substance made of 2+ elements chemically combined in a specific ratio.

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Crystal:

Back

Orderly 3D patterns of ions or atoms in a solid.

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Double bond

Back

A chemical bond formed when atoms share 2 pairs of electrons.

Front

Ductile

Back

A material that can be drawn into a long wire.