Match element with where it is found or what it is used for.
Calcium
Chlorine
Carbon
Hydrogen
Helium
Nitrogen
Argon
Aluminum
Carbon
Calcium
Silicon
Argon
Aluminum
Iron
Sodium
Nitrogen
Magnesium
Iron
Oxygen
Hydrogen
Calcium
Phosphorus
Potassium
Phosphorus
Potassium
Chlorine
Carbon
Gold
Chlorine
Silicon
Magnesium
Silver
Magnesium
Iron
Aluminum
Nitrogen
Oxygen
Argon
Quiz Review Timeline (Updated): Jan 15, 2014 +
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