Mass Number
Key Questions
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Answer:
Well, the mass number of an atom is simply the number of massive, nuclear particles, protons, and neutrons....
Explanation:
And so for
1H , the mass number is simply 1; for2H , the mass number is simply 2; for3H , the mass number is simply 3. The isotopes contain0, 1, 2 NEUTRONS respectively.Most of the heavier atoms have a range of isotopes, and the quoted atomic mass on the Table is the weighted average of the isotopic masses..
anor277
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1
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May 23 2018
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Answer:
The total amount of protons and neutrons
Explanation:
It's important to remember that mass number is not the same as atomic mass. In physics the mass number is indicated with an A, and varies for every atom in the periodic table, and even for the same atom if it has isotopes.
Shulgin
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1
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Mar 22 2018