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6. Isotopes of the same element have

  • Different number of electrons
  • Different number of neutrons
  • Different number of protons
  • Different number of atoms

7. Relative charge and mass of neutrons

  • Mass= 1 Charge= 0
  • Mass= 1/2000 Charge= 1-
  • Mass= 1 Charge= 1+
  • Mass= 2 Charge= 1-

8. Relative charge and mass of electrons

  • Mass= 1/2000 Charge= 1-
  • Mass= 1 Charge= 1+
  • Mass= 2 Charge= 1-
  • Mass= 1 Charge= 0