Argon
Use attributes for filter ! | |
Symbol | Ar |
---|---|
Atomic mass | 39.948 u |
Atomic number | 18 |
Electron configuration | [Ne] 3s²3p⁶ |
Electrons per shell | 2,8,8 |
Discoverer | John William Strutt, 3rd Baron Rayleigh |
William Ramsay | |
Boiling point | -185.8 °C |
Downwards | Argon‑40 |
Argon‑36 | |
Argon‑39 | |
Argon‑41 | |
Ar model | Play |
Date of Reg. | |
Date of Upd. | |
ID | 3364281 |
About Argon
Argon is a chemical element with the symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third-most abundant gas in Earth's atmosphere, at 0.934%.