qween53
qween53 qween53
  • 10-09-2017
  • Chemistry
contestada

If an atom has 34 protons and 40 neutrons, what is its mass number? 40 6 74 34

Respuesta :

Palmetto18
Palmetto18 Palmetto18
  • 10-09-2017
Protons+Neutrons
34+40= 74
Answer Link
tsaafiy tsaafiy
  • 05-10-2018

The answer is 74

The mass equals the number protons and neutrons.

34+40= 74

Answer Link

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