10
Ne
neon
20.180

General properties

Group
group 18 (noble gases)
Period
period 2
Category
noble gases
Standard atomic weight
20.1797(6)
Melting point
24.56 K (-248.59 °C)
Boiling point
27.104 K (-246.046 °C)
Phase at STP
gas

Additional properties

Block
p-block
Electron configuration
[He] 2s² 2p⁶
Electrons per shell
2, 8
Electronegativity
–
Density
0.9002 g/L
Oxidation states
0
CAS Number
7440-01-9