18
Ar
39.9481Argon
Appearancecolorless gas exhibiting a lilac/violet glow when placed in a high voltage electric field
Categorynoble gas
Discovered byLord Rayleigh
Named byN/A
What element is Ar on the periodic table?Ar is the element Argon on the periodic table.
What is the symbol for Argon on the periodic table?The symbol for Argon on the periodic table is Ar.
What does Argon look like?To the human eye, Argon is colorless gas exhibiting a lilac/violet glow when placed in a high voltage electric field.
About ArgonArgon is a chemical element; it has 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%. It is more than twice as abundant as water vapor, 23 times as abundant as carbon dioxide, and more than 500 times as abundant as neon. Argon is the most abundant noble gas in Earth's crust, comprising 0.00015% of the crust.Source: Wikipedia