laneey2459 laneey2459
  • 28-06-2017
  • Chemistry
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An atom has a mass number of 24 and 13 neutrons. what is the atomic number of this atom? express your answer as an integer.

Respuesta :

dec77cat dec77cat
  • 28-06-2017
A=24
N(n)=13

N(p)=A-N(n)

N(p)=24-13=11

²⁴Na - sodium

atomic number is 11
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