Subatomic particles

Subatomic particles

1. Protons

   • Charge:
     • +1
   • Mass:
     • 1

2. Neutrons

   • Charge:
     • 0
   • Mass:
     • 1

3. Electrons

   • Charge:
     • -1
   • Mass:
     • 1/1,840

4. Mass number=

   • number of protons + number of neutrons

5. Atomic number=

   • number of protons