Atomic radius/A: 2.54
Atomic volume/cm3 / mol: 19.9
Electronic configuration: 1 2 3 4 s2p6 s2 s2p6d10 s2p6d10f7 5 s2p6d1 6 s2
Ion radius/A: 0.938
Covalent radius/A: 1.61 oxidation state: 3
1880 by J.C. Galissard DE Marignac (Geneva, Switzerland city) found.
And other rare earth elements coexist in the silicon beryllium ore y.
Room temperature has the very strong magnetic.
State: silvery white rare earth metal.
Melting point (℃) : 1312
Boiling point (℃) : 3266
Density (g/cc, 300 K) : 7.895
Than hot/J/gK: 0.23
Evaporation heat/KJ/mol: 359.4
Melting hot/KJ/mol: 10.05
Conductive rate / 106 / cm: 0.00736
Coefficient of thermal conductivity/W/cmK: 0.106
abundance
Retention time/year: 300
The sun (relative to the H = 1 x 1012) : 13.2 sea/P.P.M. :
The earth's crust/P.P.M. : 7.7 the Atlantic ocean surface: 5.2 x 10-seven Pacific surface: 6.0 x 10-seven
Atmospheric/P.P.M. (volume) : the Atlantic ocean depths: 9.3 x 10-seven deep in the Pacific: 15 x 10-seven
Content in the human body
Liver/P.P.M. :
Organs: unknown, but very low. Muscle/P.P.M. :
Blood/mg dm-3: th intake/mg: unknown
Bone/P.P.M. : people (70 Kg) are total body/mg: unknown, but very low.
Gadolinium/Gd