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10 Cards in this Set
- Front
- Back
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nucleus (neutrons & protons)
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particles that make up the nucleus
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atomic number (Z)
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the number of protons
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mass number (A)
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sum of number of protons & neutrons
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isotopes
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atoms that have identical atomic number but different mass number
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nuclide
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applied to each unique atom
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radioactive
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spontaneously decompose, forming a different nucleus and producing one or more particles
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beta particle
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an electron in nuclear terminology
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alpha particle
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a helium nucleus
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alpha-particle production
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a common mode of decay for heavy radioactive nuclides resulting in a loss of four mass number and two atomic number
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beta-particle production
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a decay process for radioactive nuclides in which the mass number doesn't change and the atomic number increases one
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