Respuesta :

ilikebrea3

Answer:

the particles that make up an atom are protons, neutrons, and electrons. the number of proton determines the atom's atomic number. in a neutral atom, this number also equals the number of electrons.

sarahjeylani90

Answer:

The particles that make up an atom are protons, neutrons, and electrons. the number of proton determines the atom's atomic number. in a neutral atom, this number also equals the number of electrons.