atomic number, mass number, number of protons, neutrons and electrons
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Last updated 9:50 AM on 11/29/25
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9 Terms
1
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isotope format
2
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the atomic number what letter in the isotope format
Z
3
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the atomic number is the number of
protons
4
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what is the mass number
the number of protons plus neutrons
5
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whats the formula for the mass number
atomic number + Neutrons
6
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if the element’s charge is 0
the electrons equal the protons
7
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if the element is negatively charged what is the formula for the number of electrons
atomic number + |charge|
8
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if the element is negatively charged what is the formula for the number of electrons
atomic number - charge
9
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neutrons =
mass number - atomic number
Note 
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