delucaswag delucaswag
  • 23-01-2015
  • Chemistry
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what is the total number of protons in the nucleus of an atom of potassium-42?

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sohailulhaq sohailulhaq
  • 23-01-2015
since the atomic number of potassium is 19 then the number of protons in the nucleus of a potassium atom is 19
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