rylee45 rylee45
  • 20-03-2020
  • Chemistry
contestada

Select the correct answer.
An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?
A.10
b.20
D. 0
E. 200

Respuesta :

sncoppola25
sncoppola25 sncoppola25
  • 20-03-2020
10 because you subtract the protons from the mass and get the neutrons because an electron has such a tiny mass we don’t count it
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