walkercasey84
walkercasey84 walkercasey84
  • 13-06-2017
  • Chemistry
contestada

How many protons are in the radioactive isotope 40/19 K ? 40 19 21 20

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37446 37446
  • 13-06-2017
the answer is 19
i know that
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mjd0623
mjd0623 mjd0623
  • 28-11-2018

The answer to tis question is 19


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