Some modded game clients (think Star Wars: Empire at War or Kerbal Space Program mod packs) use random element names to avoid detection by anti-cheat software. Usually, these are harmless but poorly coded.
This is almost certainly not a default Windows file. Microsoft tends to name system processes things like svchost.exe , dwm.exe , or csrss.exe —not chemistry puns. technetium.exe
If you encounter this file on your system and didn't install it, use tools like the Microsoft Safety Scanner to verify your system's health. Some modded game clients (think Star Wars: Empire