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9 Cards in this Set
- Front
- Back
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What is the atomic number in an element?
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The number of protons.
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What is the mass number in an element?
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The number of protons + neutrons in an element.
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What is the charge of a proton?
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+1
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What is the charge of an electron?
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-1
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What is the charge of a neutron?
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No charge.
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What is the mass of an electron?
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0 a.m.u
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What is the mass of a proton?
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1 a.m.u
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What is the mass of a neutron?
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1 a.m.u
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What is an isotope?
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An element with the same amount of protons but a different number of neutrons
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