Atomic Number and Mass

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Flashcards covering the concepts of atomic number, relative atomic mass, and calculating the number of neutrons.

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4 Terms

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Atomic Number

The number of protons in the nucleus of an atom; it identifies the atom.

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Uniqueness of Atomic Number

No two elements have the same atomic number.

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Relative Atomic Mass (Mass Number)

The number of protons plus neutrons in the nucleus of an atom.

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How to Find the Number of Neutrons

Mass number - atomic number.