alishasanders5289 alishasanders5289
  • 03-07-2017
  • Chemistry
contestada

The atomic number of gold (au) is 79, and the atom has a mass number of 197. how many neutrons are present in the atom of gold?

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amberoconnell35O
amberoconnell35O amberoconnell35O
  • 05-07-2017
An atom of gold has 118 neutrons
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mathwhiz109 mathwhiz109
  • 09-10-2018

118 neutrons. You subtract the 79 protons from the atomic number of 197. This is because the number of neutrons + the number of protons equals the atomic number.

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