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Vika [28.1K]
3 years ago
10

What does the atomic number tell you about an atomwhat two particles add up to equal the mass number?

Chemistry
1 answer:
Lubov Fominskaja [6]3 years ago
8 0
The atomic number is the number of the protons in an atom the two particles that add up to equal the mass is the protons and neutrons
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