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Last updated 3:30 PM on 1/30/26
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8 Terms
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Proton charge, mass, and location
Positive, 1 Amu, in nucleus
2
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Neutron charge, mass, and location
None, 1 amu, in nucleus
3
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Electron charge, mass, and location
Negative, 0 amu, outside nucleus
4
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Atomic number
The total number of protons in the nucleus of an atom
5
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Mass number
The total number of protons and neutrons in the nucleus of an atom
6
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Atomic mass
The weighted average mass of atoms of all isotopes of a given element
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Isotope
Atoms of the same element with a different number of neutrons and therefore have different mass numbers
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Ion
An atom or a molecule with a net electric charge due to the loss or gain of 1 or more electrons
Note 
Flashcards (194)