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6. What is in the centre of an atom?

  • Nucleus
  • Neutrons
  • Electrons
  • Protons

7. What is a compound?

  • No elements
  • Two or more elements combined together
  • One element

8. What surrounds the nucleus?

  • Neutrons
  • Electrons
  • Protons

9. What is the overall charge of an atom?

  • None
  • Positive
  • Negative

10. What kind of charge does a nuetron have?

  • Negative
  • Nuetral
  • Positive

11. The number of protons is equal to...

  • The number of electrons
  • The number of neutrons
  • The nucleus
  • The number of protons

12. What charge does an electron have?

  • Negative
  • Positive
  • Neutral

13. The correct way to find out the mass number is...

  • Number of protons + number of neutrons
  • Protons - electrons
  • Number of electrons - protons
  • Number of neutrons + electrons

14. What is inside of a nucleus?

  • Neutrons
  • Protons and Neutrons
  • Protons
  • Electrons