nililyles8ya3rlee nililyles8ya3rlee
  • 24-01-2017
  • Chemistry
contestada

What is the mass number of oxygen atom with 7 neutrons?

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Tomathon101
Tomathon101 Tomathon101
  • 02-02-2017
oxygen has 8 protons
8 + 7 = 15
This isoptope is O-15
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