User talk:49.3.248.90

June 2023
Please refrain from making unconstructive edits to Wikipedia, as you did at List of radioactive nuclides by half-life. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. jftsang 17:22, 9 June 2023 (UTC)