Respuesta :
Answer:
13 protons
Explanation:
The atomic number is the number of protons in its nucleus.
mass - protons = neutrons
The number of electrons is always equal to the number of protons.
Hope this helped :)
Answer:
13 protons
Explanation:
The atomic number is the number of protons in its nucleus.
mass - protons = neutrons
The number of electrons is always equal to the number of protons.
Hope this helped :)