Oganesson is IUPAC's name for the transactinide element with the atomic number 118 and element symbol Og. It is also known as eka-radon or element 118, and on the periodic table of the elements it is a p-block element and the last one of the 7th period. Oganesson is currently the only synthetic member of group 18.
118 Atomic Number
294 u Atomic Mass
null K Melting Point
null K Boiling Point
4.95 g/cm³ Density
null Å Atomic Radius
null Å Covalent Radius
null eV First Ionization Energy
5.4 Electron Affinity
7 Number of Shells
8 Electron Valency
2, 8, 18, 32, 32, 18, 8 Electron Shell Occupations
