Elliott360
Elliott360 Elliott360
  • 07-07-2021
  • Chemistry
contestada

An atom has 6 protons and 9 neutrons in its nucleus. Calculate the mass number of the atom​

Respuesta :

Shanissa
Shanissa Shanissa
  • 07-07-2021

Answer:

6+9=15

mass number =15

mass number = no. protons + no. of neutrons

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