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Mass Number Calculator
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Calculate the mass number of an atom based on its protons and neutrons.
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Results
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Mass Number (A): –
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Atomic Number (Z): –
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Number of Neutrons (N): –
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Element: –
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Isotope: –
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| Input | Description |
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| Number of Protons | Determines the element’s identity |
| Number of Neutrons | Determines the isotope |
| Mass Number | Total protons + neutrons |
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