User talk:106.192.139.188

April 2019
Hello, I'm ComplexRational. An edit that you recently made to History of the periodic table seemed to be a test and has been removed. 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) 11:04, 21 April 2019 (UTC)
 * If this is a shared IP address, and you did not make the edits, consider creating an account for yourself or logging in with an existing account so you can avoid further irrelevant notices.