User talk:2A00:23C7:8388:C100:80AD:A658:546E:DCC3

September 2020
Hello, I'm Nkon21. I wanted to let you know that one or more of your recent contributions&#32;to History of the periodic table have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. ɴᴋᴏɴ21 ❯❯❯  talk  20:12, 23 September 2020 (UTC)
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