top of page
Argon
Argon, the 18th element in the periodic table, is part of the noble gases, as it has 8 valence electrons in its outer orbital. It is used when materials need to be protected from oxygen etc, for example in a light bulb. Argon has never produced a compound before.
Who discovered it:Lord Rayleigh and Sir William Ramsay
When was it discovered:1894
Symbol:Ar
Group:0
Row:3
Number of Protons(+):18
Number of Neutrons:7
Number of Electrons(-):18
Atomic Mass: 39.948 u ± 0.001 u
Electron Configuration:[Ne]3s 3p
2
6
bottom of page