User talk:Youngsukh

Hello, I'm Gatemansgc. I wanted to let you know that one or more of your recent contributions to Properties of metals, metalloids and nonmetals 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 Help Desk. Thanks. Gatemansgc (TɅ̊LK) 04:02, 1 September 2018 (UTC)