Nicole3936 Nicole3936
  • 19-10-2017
  • Chemistry
contestada

If an atom has 34 electrons, 46 neutrons, and 34 protons, what is its mass number? what is the name of the element?

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ejelonubenedict
ejelonubenedict ejelonubenedict
  • 20-10-2017
mass number = protons + neutrons = 34+46 =80

the element with an atomic number of 34 and mass number of 80 is selenium
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