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Alkali vs Alkaline-Earth: Group Membership for 11–20 Quiz · Quiz Mode: Type-in

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  • 01Element 18 (Argon):
  • 02Element 14 (Silicon):
  • 03Element 17 (Chlorine):
  • 04Element 12 (Magnesium):
  • 05Element 20 (Calcium):
  • 06Element 11 (Sodium):
  • 07Element 16 (Sulfur):
  • 08Element 15 (Phosphorus):
  • 09Element 13 (Aluminium/Aluminum):
  • 10Element 19 (Potassium):
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Alkali vs Alkaline-Earth: Group Membership for 11–20
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