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6 Cards in this Set
- Front
- Back
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What is the atomic number?
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Z and it is the number of protons
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What is the mass number?
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A and it is the sum of the protons and neutrons
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What is the atomic symbol?
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X
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What are isotopes?
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Atoms that have different numbers of neutrons
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What is the amu?
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Atomic mass unit = 1/12 of the Carbon 12 atom
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What is the isotopic mass?
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Measure mass ratio x mass of Carbon 12 atom (12 amu)
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