Answer:
Subatomic particles are particles present in atom, PROTON, NEUTRON, ELECTRON
Explanation:
Electron :- MASS---> ALMOST 1/2000 TIMES MASS OF PROTON
CHARGE----> -1
Proton: MASS---> 1 amu
Charge ---> +1
Neutron: MASS ----> 1amu
Charge -----> IT IS NEUTRAL
