Are you a Periodic Table Pro?
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Questions and Answers

Which element is a noble gas?

  • Sodium
  • Carbon
  • Helium (correct)
  • Oxygen

    • What is the atomic number of carbon?

  • 14
  • 12
  • 6 (correct)
  • 18

    • Which element is a halogen?

  • Fluorine (correct)
  • Calcium
  • Potassium
  • Lithium

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