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4 Cards in this Set
- Front
- Back
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All atoms of a particular element have an identical number of ______
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protons (identifying property- differs from element to element and determines the nature of the element)
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Atomic Number
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Symbol Z = the number of protons
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Isotopes
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atoms of a given element that differ in the number of neutrons, and consequently in mass
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Mass Number
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Symbol A = the sum of the protons and neutrons in the atoms of a particular isotope: A = #n° + #p+
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