What is the "mass number"? What does the mass number tell you?

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02-12-2020
Chemistry

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What is the "mass number"? What does the mass number tell you?

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user246885 user246885 · Answer 1 · 2020-12-02T20:50:27+01:00

user246885 user246885

02-12-2020

Total number of protons and neutrons in the atomic nucleus. When you see a periodic table the order is usually the atomic number, the element symbol, the name, and then the atomic mass.

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