PLEASE PLEASE H-E-L-P-
i need to get this done by 8 32 tonight
PLEASE HELP
1- Particles that make up most of the mass of an atom are________and__________?
2-the particle that makes up most of the volume of an atom is _______?
3 answers
1) protons and neutrons
2) electron
2) electron
1.) protons and neutrons
2.) Electrons
2.) Electrons