Atomic Number and Mass Number

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Flashcards covering atomic number, mass number, and their relationships in atomic structure.

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6 Terms

1
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What is the Atomic Number (Z)?

The number of protons in the nucleus, determining the element's identity.

2
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How is the atomic number related to the number of protons and electrons in a neutral atom?

Z = # of protons = # of electrons

3
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What is the formula for calculating the mass number (A) of an atom?

A = # of protons + # of neutrons

4
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What is the Atomic Number (Z)?

The number of protons in the nucleus, determining the element's identity.

5
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How is the atomic number related to the number of protons and electrons in a neutral atom?

Z = # of protons = # of electrons

6
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What is the formula for calculating the mass number (A) of

A = # of protons + # of neutrons