what is the formula for a mass number of on atom
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Answered by
2
Answer:
proton + neuton
Explanation:
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Answered by
1
Answer:
Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.
Explanation:
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