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6. is alex amazing

  • no comment
  • yes! he is also awpic
  • im not sure
  • no

7. What is the structure of the noble gases?

  • They have a full outer shell
  • They have one electron on their outer shell
  • They share electrons
  • They dont have a full outer shell of electrons

8. True or fasle-Atoms of elements in the same group in the periodic table have the same number of valence electrons

  • true
  • false

9. How do you work out the number of neutrons in an atom?

  • nucleon number multiplied by the proton number
  • proton number add the nucleon number
  • the nucleon number minus the proton number
  • proton number minus the nucleon number