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7 Cards in this Set
- Front
- Back
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PROTONS
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THE POSITIVEIY CHARGED PARTICLES OF THE NUCLES; THE NUMBER OF PROTONS IN A NUCLEUS IS THE ATOMIC NUMBERS, WHICH DETERMINES THE IDENTITY OF AN ELEMENT.
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ATOMIC MASS UNIT
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THE SI UNIT USED TO EXPRESS THE MASSES OF PARTICLES IN A ATOMS.
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NEUTRONS
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THE PARTICLES OF THE NUCLEUS THAT HAVE NO CHANGE.
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ATOMIC NUMBER
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THE NUMBER OF PROTONS IN THE NUCLEUS OF AN ATOM; THE ATOMIC NUMBER IS THE SAME FOR ALL ATOMS OF AN ELEMENT.
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ISOTOPES
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ATOMS THAT HAVE THE SAME OF PROTONS BUT HAVE DIFFERENT NUMBERS OF NEUTRONS.
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MASS NUMBERS
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THE SUM OF THE PROTONS AND NETRONS IN AN ATOM.
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ATOMIC MASS
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THE WEIGHT AVERAGE OF THE MASSES OF ALL THE NATURALLY OCCURRING ISOTOPES OF AN ELEMENT.
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