may43
may43 may43
  • 14-11-2016
  • Biology
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I need help it's an ion practice set

I need help its an ion practice set class=

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Nickiii16
Nickiii16 Nickiii16
  • 15-11-2016
If you don't understand how to get any of those answers, let me know. 

The atomic number is equal to the number of protons. 
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