Neon 10

Atomic No. Order:

Alphabetic Order:

Periodic Table

He
2

Ne
10

Ar
18

Kr
36

Xe
54

Rn
86

Uuo
118

Uho
168

Buo
218

Neon

Symbol

Atomic Number

10
Noble gas

Relative Atomic Mass
¹²C = 12.0000

20.1797

Atomic Radius pm

First Ionisation Energy
kJ mol ^-1

2080.6

Ionization energy (eV)

21,5646

Electronegativity

4.84

Density
kg m ^-3

1444 [m.p.]
1207.3 [b.p]
0.89994 [273 K]

Molar Volume cm ³

13.97 [24 K]

Thermal Conductivity
W m ^-1 K ^-1

0.0493 [300 K]

Melting Point K

24.48

Boiling Point K

27.10

Number of Isotopes

Inner + outer Shells

Inner + outer Orbitals

Filling Orbital

2p ⁶

Ground State Electron
Configuration

[He] 2s ²

2p ⁶

= [Ne]

Gro und State Electron
Configuration with
free Orbitals (n= 0)

0, 0

Ground State Electron
Configuration with
compressed Orbitals (n=10)

0, 0

Singularity

	s	p	d	f	g	h	i	j
1	2
2	2	6
3
4
5
6
7
8

Term Symbol

¹S ₀

Discovery

Discovered by Sir W. Ramsey and M.W. Travers (London, England) in 1898

Name Derived From

Greek neon meaning 'new

APSIDIUM ©	Created:	2002- 06-04	010.pdf
	Page update:	2004-06-12	010.pdf