Neon 29. September 2015elementadmin ←F He↑ ↓Ar Na→ 10 Ne neon 20.183 10 Ne 0 Ne atmo Neon ∙ néon ∙ neon ∙ neóngroup ‘n+n’ / noble gases and (rather) noble metals: R, RO4 melting point: -248.67°C boiling point: -246.048°C density: 0.84 g/l