Physics question 12 hw 12 (if you answer please include work!)


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Jul 24th, 2015

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answer is 

5)  14                         13

            N          ,             C

       7                          6




If you know the mass number and atomic number of the atom, the number of neutrons is just the difference between them.

1) o has 16-8 = 8 number of neutrons

  Na has 23-11 = 12 number of neutrons

so not same

2)N has 7 ,14- 7 number of neutrons

     C has 14 - 8 = 8 number of neutrons

so not same

3)o has 16-8 = 8 number of neutrons

  N has 7 number of neutrons

so not same

4)  C has 12- 6= 6 number of neutrons

   C has 14- 6 =8 number of neutrons

5) N has 14 - 7 = 7 number of neutrons

   C has 13 - 6 =  7 number of neutrons


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Jul 24th, 2015

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