lcooper1647 lcooper1647
  • 13-09-2021
  • Chemistry
contestada

why is mass number always a whole number?

Respuesta :

flowerskk13
flowerskk13 flowerskk13
  • 25-09-2021

Answer:

The mass number is always a whole number; because it is a count of the particles. It differs from the exact mass of the atom in atomic mass units, amu, which is often known and expressed to six decimal places.

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