mmartin6382 mmartin6382
  • 25-08-2021
  • Chemistry
contestada

what is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons

Respuesta :

kayleighcaulder67 kayleighcaulder67
  • 25-08-2021
Protons + neutrons is how you find the mass number I believe. 7 is the mass number
Answer Link
manamoto13 manamoto13
  • 25-08-2021

Answer:

The mass number is 7

Explanation:

mass number = protons + neutrons

                       = 3 + 4

                       = 7

Answer Link

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