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JavierGarciaMartinez on X: "Ready to be challenged? @IUPAC is launching on January 8th an online quiz to test your knowledge of the #PeriodicTable. Pick your element to play for a chance to
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IUPAC on Twitter: "The NEW Periodic Table Challenge has begun! Check it out here: https://t.co/fvxiJj4rWM @IUPAC #PeriodicTableChallenge https://t.co/ujQJyKDjOl" / Twitter
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