86
Rn
222Radon
Appearancecolorless gas, occasionally glows green or red in discharge tubes
Categorynoble gas
Discovered byFriedrich Ernst Dorn
Named byN/A
What element is Rn on the periodic table?Rn is the element Radon on the periodic table.
What is the symbol for Radon on the periodic table?The symbol for Radon on the periodic table is Rn.
What does Radon look like?To the human eye, Radon is colorless gas, occasionally glows green or red in discharge tubes.
About RadonRadon is a chemical element; it has symbol Rn and atomic number 86. It is a radioactive noble gas and is colorless and odorless. Of the three naturally occurring radon isotopes, only 222Rn has a sufficiently long half-life for it to be released from the soil and rock where it is generated. Radon isotopes are the immediate decay products of radium isotopes.Source: Wikipedia