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cupoosta [38]
3 years ago
10

The number of

Chemistry
1 answer:
valkas [14]3 years ago
6 0

Answer:

The number of <u>protons</u> in the nucleus of an atom is the atomic <u>number</u> of that element. Because atoms are electrically neutral, the number of protons and <u>electrons</u> in an atom are equal. The sum of the <u>protons </u>and neutrons is the mass number.

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