xspritaamey14
xspritaamey14 xspritaamey14
  • 26-01-2017
  • Chemistry
contestada

What can be concluded about the atom from knowing that oxygen-18 has an atomic number of 8?

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AcaciaBlossom
AcaciaBlossom AcaciaBlossom
  • 26-01-2017
I use this method to remember:
Let's use A as the mass number, and A = protons + neutrons 
Z is the atomic number, which is protons
To get neutrons, you subtract A from Z.
So in this sense, neutrons = 18 - 8 = 10 
I hope this helps with your work. :)
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