Apr 9, 2020 · With the periodic table symbol 10, atomic number 10, atomic mass of 20.179 g.mol-1, and electron configuration [He]2s22p6, neon is a chemically inert, colorless, odorless, diamagnetic, and non-toxic gas. It reaches its boiling point at −246.046°C, −410.883°F, 27.104 K, while the melting point is achieved at −248.59°C, −415.46°F, 24. ...