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What does the number 84 in krypton-84 represent A.the sum of protons and electrons. B.the mass number. C.the atomic number D.twice the protons.
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What does the number 84 in krypton-84 represent

A.the sum of protons and electrons.
B.the mass number.
C.the atomic number
D.twice the protons.

User Jrutter
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1 Answer

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B. The mass number, also known as the atomic weight/atomic mass
User Skjagini
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