John Carlos Baez on Nostr: On Wikipedia, the top row of elements in green start with element 57, lanthanum, and ...
On Wikipedia, the top row of elements in green start with element 57, lanthanum, and end with element 70, ytterbium. Now lutetium, element 71, is up near hafnium!
Which one is right? Or is it just a matter of taste?
(2/3)
Published at
2024-05-31 09:04:40Event JSON
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