Atomic radius/A: 2.98 atomic volume/cm3 / mol: 55.9 covalent radius/A: 2.16
Electronic configuration: 1 2 3 4 s2p6 s2 s2p6d10 s2p6 5 s1 ion radius/A: 1.52 oxidation state: 1
In 1861, by R.W. Bunsen and g. Kirchoff (Germany, HaiDeEr fort university) found.
Is very rich, but more dispersed, production is restricted, generally by the production of lithium produces in the process.
Used as catalyst, test, etc.
State: soft silvery metal. Melting point (℃) : 39.64 the boiling point (℃) : 688 density (g/cc, 300 K) : 1.63
Than hot/J/gK: 0.363 evaporation heat/KJ/mol: 72.216 melting hot/KJ/mol: 2.192
Conductive rate / 106 / cm: 0.0779 coefficient of thermal conductivity/W/cmK: 0.582
Abundance retention time/year:
The sun (relative to the H = 1 x 1012) : 400 sea/P.P.M. : 0.12
The earth's crust/P.P.M. : the Atlantic ocean surface: Pacific surface:
Atmospheric/P.P.M. (volume) : the Atlantic ocean depths: deep in the Pacific:
The human body the content in liver/P.P.M. : 20-70
Organs: muscle/P.P.M. : 20-70
Blood/mg dm-3:2.49 days intake/mg: 1.5-6
Bone/P.P.M. : 0.5-5 (70 Kg) are total body/mg: 680
Rubidium/Rb