Q: What is the most important rule in chemistry? A: Never lick the spoon!

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Q: What is the chemical formula for "banana"? A: BaNa2

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Don't trust atoms, they make up everything.

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Q: Why was the mole of oxygen molecules excited when he walked out of the singles bar? A: He got Avogadro's number!

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Q: Did you hear oxygen went on a date with potassium? A: It went OK.

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