Vanh5am5iraayalamoes Vanh5am5iraayalamoes
  • 19-02-2017
  • Chemistry
contestada

What is the mass number of a uranium isotope that has 92 protons and 143 neutrons?

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ebenca4
ebenca4 ebenca4
  • 23-02-2017
mass number = proton number+ neutron number
m=92+143
=235
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