Formula detective · game 2 of 4
Who is who?
Match each formula to its chemical name. Six rounds; one molecule is trying to pass as its cousin.
Which name belongs to this formula?
Formula reminder: N₂ is molecular nitrogen; NH₃ is ammonia; NH₄⁺ is ammonium; NO₃⁻ is nitrate; N₂O is nitrous oxide; NO₂ is nitrogen dioxide. PubChem: nitrogen · PubChem: ammonia.
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A premium offer should be easier to identify than nitrogen in a lineup: substantial, clear, and not hiding at trace levels.
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