User talk:73.36.1.178

December 2019
Please refrain from making unconstructive edits to Wikipedia, as you did at Period 4 element. 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. Double sharp (talk) 01:49, 13 December 2019 (UTC)