Radon General properties

 Radon General properties 

Name, symbol radon, Rn Pronunciation /ˈreɪdɒn/ ray-don Appearance colorless gas Radon in the periodic table Hydrogen (diatomic nonmetal) Helium (noble gas) Lithium (alkali metal) Beryllium (alkaline earth metal) astatine ← radon → francium Atomic number 86 Standard atomic weight (222) Element category noble gases Group, period, block group 18 (noble gases), period 6, p-block Electron configuration [Xe] 4f14 5d10 6s2 6p6 per shell: 2, 8, 18, 32, 18, Oder Your Test Kits Here!