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The mass number of an atom is equal to the number of

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8 years ago

The mass number of an atom is equal to the number of

The mass number of an atom is equal to the number of
A) electrons.
B) neutrons.
C) protons.
D) protons plus neutrons.

Textbook

Introductory Chemistry Essentials

Edition: 5^th

Author: Tro

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Whelan Author

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8 years ago

Thanks

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This helped my grade so much Perfect

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