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arsen [322]
2 years ago
11

Atomic number and Mass number.please help me ​

Biology
1 answer:
Pachacha [2.7K]2 years ago
3 0

Answer:

The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.

Explanation:

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