sis1tacakirk sis1tacakirk
  • 26-10-2016
  • Chemistry
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if an atom has an atomic mass of 19 and a atomic number of 9 whats its protons neutrons and electrons

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Moonnose
Moonnose Moonnose
  • 27-10-2016
It has 9 protons, 9 electrons and 10 neutrons.
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