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Rubidium

Rubidium

Catalogue

Atomic structure
Discovery
Source
Element USES
physical property
Chemical property
Geological data
Biology data

Atomic structure

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

Discovery

In 1861, by R.W. Bunsen and g. Kirchoff (Germany, HaiDeEr fort university) found.

Source

Is very rich, but more dispersed, production is restricted, generally by the production of lithium produces in the process.

Element USES

Used as catalyst, test, etc.

physical property

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

Geological data

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:

Biology data

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

Detailed information

Rubidium/Rb

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