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Ru
Ruthenium
Z
44
101.07 g/mol
Transition Metal
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Overview
Atomic Properties
Thermodynamics
Electromagnetism
Isotopes
Group
8
Period
5
Block
d
Occurrence
Primordial
Native
Biological Role
---
History
1844 (discovery, isolation)
Karl Ernst Claus
Named By
Karl Ernst Claus
Latin Name
Ruthenium
Abundance
Universe
< 0.0001%
0.004 ppm
x
Sun
< 0.0001%
0.005 ppm
x
Meteorites
< 0.0001%
0.83 ppm
x
Earth's crust
< 0.0001%
0.001 ppm
x
Oceans
< 0.0001%
< 0.0001 ppm
x
Humans
---
x
43
Tc
45
Rh
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