chimizangmo59 chimizangmo59

14-10-2020
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mass number of an elements is the sum of the number of...............and..............

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Аноним Аноним

14-10-2020

Answer:

Explanation:

The sum of the number of protons and neutrons in the nucleus is called the mass number of the isotope. The most common carbon atoms have six protons and six neutrons in their nuclei.

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gracelynndenney2003 gracelynndenney2003

14-10-2020

protons and neutrons

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