24-09-2020
Chemistry

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What is the mass of an atom with 7 protons, and 7 neutrons?

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24-09-2020

Answer:

Explanation:

Nitrogen has an atomic number of 7 (Z=7) because it has 7 protons in its nucleus. Some nitrogen atoms have an atomic mass number of 15 (A=15). A is the number of neutrons plus protons in the nucleus. However, we already know that there are 7 protons.

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