Other questions in this quiz

2. what is the overall charge of an atom

  • 1
  • -1
  • 0
  • +2

3. what does the symbol Na stand for oxygen

  • oxygen
  • hydrogen
  • sodium
  • magnesium

4. what is inside an atoms nucleus

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

5. how many groups are there in the periodic table

  • 8
  • 4
  • 10
  • 6

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