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Chemistry Cat I'm quite certain my High School Chemistry teacher taught us a significantly more complicated and senseless mnemonic wherein one knows anions are negative because the second letter of anion is "n" and the first letter of negative is "n."

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from Etsy

CHEMISTRY Science PERIODIC TABLE Teacher’s Wall Clock

Hey, I found this really awesome Etsy listing at https://www.etsy.com/listing/213145041/personalized-science-periodic-table

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from 9GAG

My chemistry teacher just doesn’t get me...

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from Mashable

19 Creative Teachers Who Deserve Extra Credit

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