karleigb912 karleigb912
  • 01-10-2021
  • Mathematics
contestada

An element has 7 protons 7 neutrons and 10 electrons what is the mass number

Respuesta :

karleighb23 karleighb23
  • 06-10-2021

Answer:

-3

Step-by-step explanation:

l

l

l

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