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What is the mass number of a uranium isotope that has 92 protons and 143 neutrons?
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What is the mass number of a uranium isotope that has 92 protons and 143 neutrons?
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Aug 15, 2018
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What is the mass number of a uranium isotope that has 92 protons and 143 neutrons?
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Kiyomi
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mass number = proton number+ neutron number
m=92+143
=235
Alex Humphrey
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Aug 19, 2018
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Alex Humphrey
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