misswonderless misswonderless
  • 01-10-2018
  • Chemistry
contestada

An isotope of mercury has 80 protons and 120 neutrons. What is the mass number of this isotope.

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Stilisvvs Stilisvvs
  • 01-10-2018

The mass number of any isotope is equal to the number of protons and neutrons combined. In your example it is 80 + 120 = 200
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