Mathematics, 18.10.2020 06:01, andrealeon2000
The diagram below represents the nucleus of an atom.
What are the atomic number and mass number of this atom?
The atomic number is 11 and the mass number is 20.
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The atomic number is 11 and the mass number is 19.
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The atomic number is 9 and the mass number is 20.
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The atomic number is 9 and the mass number is 19.
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Answers: 1
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The diagram below represents the nucleus of an atom.
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