Color Explanation
Return to the periodic table
Previous
Next
131.29
Discovery
Ramsay, William & Travers, Morris William (1898)
Etymology
Greek
Meaning
Foreign
Phase
(at 21 °C and 101.325 kPa)
Gas
Melting point
(at 101.325 kPa)
-112.0 °C
161.15 K
Boiling point
184.0 °C
457.15 K
Density
5.90 g/cm3
Electronegativity
2.60