Tag: periodic table

Puzzle Complete

I don’t think my old (ca. 1990) placemat featuring the Periodic Table had anything named past Fermium, plus a smaller set of Ununs. Lots of new ones in the quest for the Island of Stability.

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Birthday Puzzle

Border complete! Thanks Rebekah :o). Coincidentally I also got a Periodic Table-themed gift from my mom. (Blocks for me… and Theo.) Maybe that random invitation to join the American Chemical Society wasn’t so far off base?

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