EMOTRASH22 EMOTRASH22
  • 16-02-2017
  • Chemistry
contestada

if an elements atomic mass is 70 and it has 39 neutrons how many protons does it have?

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dmks
dmks dmks
  • 16-02-2017
It has 70 protons. The atomic mass is the same as the amount of protons
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colleen8
colleen8 colleen8
  • 16-02-2017
31- mass is made up of protonsand neutrons only because electrons have very little mass
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