Other questions in this quiz

2. what is the electonic configuration of oxygen

  • 2,8
  • 2,6
  • 2,5
  • 1,6

3. what does the symbol Na stand for oxygen

  • hydrogen
  • magnesium
  • sodium
  • oxygen

4. what is inside an atoms nucleus

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

5. what is the overall charge of an atom

  • -1
  • 0
  • 1
  • +2

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