Neon

Atomic number : 10 Atomic mass : 20.179 g.mol-1 Electronegativity according to Pauling : unknown Density : 0.9*10-3 g.cm-3 at 20 °C Melting point : - 249 °C Boiling point : - 246 °C Vanderwaals radius : 0.16 nm Ionic radius : unknown Isotopes : 3 Electronic shell :...

Fluorine

Atomic mass : 15.998403 g.mol-1 Electronegativity according to Pauling : 4 Density : 1.8*10*3g.cm3 at 20 °C Melting point : -219.6 °C Boiling point : -188 °C Vanderwaals radius : 0.135 nm Ionic radius : 0.136 nm (-1) ; 0.007 (+7) Isotopes : 2 Electronic shell : [He]...

Oxygen

Atomic number : 8 Atomic mass : 15.999 g.mol-1 Electronegativity according to Pauling : 3.5 Density : 1.429 kg/m3 at 20 °C Melting point : -219 °C Boiling point : -183 °C Vanderwaals radius : 0.074 nm Ionic radius : 0.14 nm (-2) Isotopes : 4 Electronic shell : [He]...

Nitrogen

Atomic number : 7 Atomic mass : 14.0067 g.mol-1 Electronegativity according to Pauling : 3.0 Density : 21.25*10-3 g.cm-3 at 20 °C Melting point : -210 °C Boiling point : -195.8 °C Vanderwaals radius : 0.092 nm Ionic radius : 0.171 nm (-3) ; 0.011 nm (+5) ; 0.016 (+3)...

Carbon

Atomic number : 7 Atomic mass : 14.0067 g.mol-1 Electronegativity according to Pauling : 3.0 Density : 21.25*10-3 g.cm-3 at 20 °C Melting point : -210 °C Boiling point : -195.8 °C Vanderwaals radius : 0.092 nm Ionic radius : 0.171 nm (-3) ; 0.011 nm (+5) ; 0.016 (+3)...