Correct: Oxygen, Hydrogen, Calcium, Potassium, Sodium, Gold, Mercury, Iron, Silicon, Zinc, Incorrect: Carbon Dioxide, Sodium Chloride, Water, Phosphate, Sulphate, Hydrogen Peroxide, Hydrochloric Acid, Carbonic Acid, Monosodium Glutamate, Nitrogen Oxide,

Whack That Element!

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