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6. what is there mass of an electron?

  • very small
  • 1

7. what is there mass of a neutron?

  • 1
  • very small

8. where are neutrons found?

  • nucleus
  • shell

9. a neutral atom has the same number of ........and.......

  • neutrons and protons
  • protons and elections
  • electrons and neutrons

10. what does the nucleus contain?

  • protons and neutrons
  • electrons and protons
  • Neutrons ans electrons

11. what does the atomic number tell you?

  • number of neutrons
  • number of protons
  • number of electrons

12. how many types of subatomic particles are there in an atom?

  • 4
  • 3
  • 1
  • 2

13. what does the mass number tell you?

  • the total number of protons and neutrons
  • the total number of electrons and protons
  • the total number of protons and electrons

14. what is the charge of an electron

  • +1
  • -1
  • 0

15. where are electrons found?

  • shell
  • neutron

16. how do you find a mass number of an atom?

  • top number
  • bottom number

17. what is the charge of a proton?

  • -1
  • +1
  • 0

18. what is the mass of a proton?

  • 1
  • Very small