Vocabulary Terms #4

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Mass #

Back

The total number of protons and neutrons in the nucleus of an isotope.

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Isotopes

Back

Atoms of the same element that have different masses due to varying numbers of neutrons.

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Atom

Back

The smallest particle of an element that retains the chemical properties of that element.

Front

Avg. Atomic Mass

Back

The weighted average of the atomic masses of the naturally occurring isotopes of an element.

Front

Atomic #

Back

The number of protons in each atom of an element.

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Molar Mass

Back

The mass of one mole of a substance, typically expressed in grams per mole.

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Cation

Back

A positively charged ion that has lost one or more electrons.

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Anion

Back

A negatively charged ion that has gained one or more electrons.

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Element

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

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Compound

Back

A substance formed when two or more elements are chemically bonded together.