Atomic radius/A: 1.79
Atomic volume/cm3 / mol: 8.9
Electronic configuration: 1 2 3 4 s2p6 s2 s2p6d10 s2p6d10
Ion radius/A: 0.86
Covalent radius/A: 1.28 oxidation state: 2, 4
1803 by W.H. Wollaston (Britain, London) found.
From platinum, nickel, copper and GongKuang get, mainly from Russia of Siberia, urals, Canada's anda lo wu and South Africa.
As an alloy, used for wireless communications equipment switch system, relay, the reforming catalyst cracking oil, also used the ceramic metallization processing, and mixed with gold jewelry manufacturing "platinum".
State: soft color of silver metal, in the air will not lose its luster, and can be hot nitric acid and boiling sulfuric acid erosion.
Melting point (℃) : 1552
Boiling point (℃) : 2964
Density (g/cc, 300 K) : 12.02
Than hot/J/gK: 0.24
Evaporation heat/KJ/mol: 357
Melting hot/KJ/mol: 17.6
Conductive rate / 106 / cm: 0.095
Coefficient of thermal conductivity/W/cmK: 0.718
Retention time/year: 50 000
The sun (relative to the H = 1 x 1012) : 32 sea/P.P.M. :
The earth's crust/P.P.M. : c. 6 x 10-4 the Atlantic ocean surface: unknown Pacific surface: 1.9 x 10-8
Atmospheric/P.P.M. (volume) : the Atlantic ocean depths: unknown depths of the Pacific Ocean: 6.8 x 10-8
Content in the human body
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