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If an atom has 34 protons and 40 neutrons, what is its mass number?
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If an atom has 34 protons and 40 neutrons, what is its mass number?
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Nov 5, 2018
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If an atom has 34 protons and 40 neutrons, what is its mass number?
Chemistry
high-school
Joe The Person
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add the protons and neutrons together to get the mass number
Synox
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Nov 6, 2018
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The answer is 74.........
Brian Kretzler
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Nov 11, 2018
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