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3 Cards in this Set
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Mass Number |
Also called (atomic mass) is the number of protons plus the number of neutrons of that element. |
It is possible to determine the number of neutrons by subtracting the atomic number from the mass number. |
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Isotopes |
Different forms of the same element that have the same number of protons, but a DIFFERENT number of neutrons. |
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Radioactive isotopes |
Isotopes that are unstable and may lose protons, un atomic particles or energy to form more stable elements. |
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