Argon element has 18 protons, 22 neutrons and 18 electrons circling around.
Argon is a noble gas at room temperature. It's colorless, odorless and very stable.
Although argon element is very stable, there is still some argon compounds exists.
» Argon compounds:
• Argon Chloride Fluoride, ArClF
• Argon Chloride Hydride, ArClH
• Argon Fluoride Hydride, ArFH