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Alja [10]
4 years ago
12

How do we find an atom's mass number?

Physics
1 answer:
Scorpion4ik [409]4 years ago
6 0

Answer:

To calculate the atomic mass of a single atom of an element, add up the mass of protons and neutrons. Example: Find the atomic mass of an isotope of carbon that has 7 neutrons. You can see from the periodic table that carbon has an atomic number of 6, which is its number of protons.

Explanation:

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