alexfularzsep9 alexfularzsep9
  • 23-06-2021
  • Chemistry
contestada

The number of protons plus the number of neutrons in an atom is equal to its

atomic number
mass number
nuclear model
energy level

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Respuesta :

lecuzay
lecuzay lecuzay
  • 23-06-2021

Explanation:

mass number....................

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