22georgej
22georgej 22georgej
  • 16-09-2018
  • Physics
contestada

an atom has 14 protons and 15 neutrons, what is its mass number?

I'm desperate 20 pts.

Respuesta :

dreyes24
dreyes24 dreyes24
  • 16-09-2018
The amount of protons is the same as the atomic number. You look for 14, silicon, and look at the mass, 28.086
Answer Link
michellebweston
michellebweston michellebweston
  • 16-09-2018
Mass number = protons + neutrons

14+15 = 29
Answer Link

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