User talk:2409:4060:200E:A35A:0:0:1D6A:20A0

January 2022
Hello, I'm ComplexRational. An edit that you recently made to Talk:Hydrogen seemed to be a test and has been reverted. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! ComplexRational (talk) 15:02, 19 January 2022 (UTC)