Argon is a noble gas and is colorless, odorless, and inert. It is commonly used in lighting and industrial processes.
| Property | Value |
|---|---|
| Atomic Number | 18 |
| Symbol | Ar |
| Atomic Mass | 39.948 u |
| Electron Configuration | 1s2 2s2 2p6 3s2 3p6 |
| State at Room Temperature | Gas |