tayl6eebstel2y tayl6eebstel2y
  • 10-11-2016
  • Chemistry
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An isotope of mercury has 80 protons and 120 neutrons. whatis the mass number

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AhmatFirz
AhmatFirz AhmatFirz
  • 10-11-2016
200. Finding mass no. of isotope = protons + neutrons
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