atomic number and mass number
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Last updated 5:35 PM on 1/7/26
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9 Terms
1
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Which is the atomic number
Bottom
2
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What does the atomic number tell us
Number of protons in an element
3
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Which is the mass number
Top
4
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What does the mass number tell us
Number of protons and neutrons in an element
5
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How to find neutron number
Mass number - atomic number
6
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What is an isotope
Atoms of an elements with the same number of protons but a different number of neutrons
7
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What are ions
Atoms which have an overall change (gained or lost electrons)
8
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What charge is an ion that lost electrons
Positive
9
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What charge is an ion that gained electrons
Negative
Note 
Flashcards (32)