janiya05
janiya05 janiya05
  • 27-03-2018
  • Chemistry
contestada

An atom's mass number is 210 and its atomic number is 85. How many neutrons does the atom have

Respuesta :

adamg5429 adamg5429
  • 27-03-2018
you subtract the atomic number from the atomic mass and you.

 should get  -125
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