harrystyleslive harrystyleslive

06-09-2018
Advanced Placement (AP)

contestada

the atomic mass of nitrogen is 14.007 and the atomic number is 7 rounding to the nearest whole number what is the number of neutrons in one nitrogen atom

- 14
- 6
- 7
- 4

Respuesta :

jessie714 jessie714

09-09-2018

Mass= #of protons(atomic number) + #of neutrons
So
# of neutrons= mass - #of protons(atomic number)
Therefore
14(mass) - 7 (#of protons/atomic number) = 7(#of neutrons)

The answer is c.) 7 neutrons

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