10 Ne 20.17976

Neon

NOBLE GAS

Phase: Gas

Discovered: Morris Travers

Block: P

Summary

Neon is a chemical element with symbol Ne and atomic number 10. It is in group 18 (noble gases) of the periodic table. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air.

Appearance: colorless gas exhibiting an orange-red glow when placed in a high voltage electric field

Source: Wikipedia

Physical Properties

Atomic Mass 20.17976 u

Density 0.9002 g/cm³

Melting Point 24.56 K

Boiling Point 27.104 K

Molar Heat N/A

Electron Affinity -116 kJ/mol

Ionization Energies

1^st: 2080.7 kJ/mol

2^nd: 3952.3 kJ/mol

3^rd: 6122 kJ/mol

4^th: 9371 kJ/mol

5^th: 12177 kJ/mol

6^th: 15238 kJ/mol

7^th: 19999 kJ/mol

8^th: 23069.5 kJ/mol

9^th: 115379.5 kJ/mol

10^th: 131432 kJ/mol