 | Hafnium | Atomic Number: 72 |
- Overview
Property Value Units 178.49
13.31
- Thermal Properties
Thermal Properties
Property Value Units 2150°C
5400°C
The critical pressure has not been determined for Hafnium
The critical temperature has not been determined for Hafnium
25.5 kJ/mol
630 kJ/mol
144 J/kg·K
23 W/m·K
- Electon Configuration
[Xe] 4f14 5d2 6s2
K L M N O P Q 2 8 18 32 10 2 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1923
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 72
Hf
174
Hafnium Hf 174 Stable 0.16 - - - - - 72
Hf
176
Hafnium Hf 176 Stable 5.26 - - - - - 72
Hf
177
Hafnium Hf 177 Stable 18.6 - - - - - 72
Hf
178
Hafnium Hf 178 Stable 27.28 - - - - - 72
Hf
179
Hafnium Hf 179 Stable 13.62 - - - - - 72
Hf
180
Hafnium Hf 180 Stable 35.08 - - - - - Isotopic mass data for stable isotopes is from:
G. Audi, A.H. Wapstra in Nuclear Physics A, 1993, 565, 1-65
and
G. Audi, A.H.Wapstra in Nuclear Physics A, 1995, 595 409-480.Natural abundance data is from:
K.J.R. Rosman, P.D.P. Taylor in Pure Appplied Chemistry, 1999, 71, 1593-1607.- Occurance
In the Universe 0.00000007% In the Sun 0.0000001% In Meteorites 0.000017% In the Earth's Crust 0.00033% In Seawater 8E-10% In the Human Body 0% - Models
Pictures, videos and 3D models of the element
Title Description