A return to Dalton’s symbols

We first saw John Dalton’s circular element symbols back in the p-block where I used them for nitrogen, oxygen and silicon. Of course these symbols only exist for those elements known in Dalton’s time, and so they haven’t afforded many possibilities as I’ve worked my way along the f-block. But here are two more, beryllium (element 4) in the s-block, and zirconium (element 40) in the d-block.

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