Ruthenium

Symbol RuAtomic number 44
Atomic mass
101.07
 Thermal conductivity
1.17
Atomic radius
1.89
 Covalent radius
1.25
Density
12.2
 Atomic volume
8.3
Melting point
2583
 Oxidation states
2,3,4,6,8
Boiling point
4173
 Stable isotopes
7
Heat of vapor.
595.0
 Electronegativity
2.2
Heat of fusion
24.0
 First ionization
7.37
Specific heat
0.238
 Electrical conduct.
...
Electron configuration

General descriptionNuclear data
 Index

Periodic Table

Chemistry concepts
 
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Ruthenium

Ruthenium is an iron-gray metal, a member of the platinum group. It forms compounds with various oxidation states. It can form oxides as RuO2 or RuO4. It is often associated with osmium.

Atomic dataNuclear data
 Index

Periodic Table

Chemistry concepts

Reference
Pauling
Ch. 29
 
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Ruthenium Nuclear Data

Z
A
Atomic
Mass (u)
Nuclear
Mass(GeV/c2
Binding
Energy(MeV)
Spin
Natural
Abund.
Half-life
Decay
Q
MeV
44
96
95.907600
89.3156
826.51
0
0.0552
stable
...
...
44
98
97.905287
91.1764
844.80
0
0.0188
stable
...
...
44
99
98.905939
92.1086
852.27
5/2
0.127
stable
...
...
44
100
99.904219
93.0385
861.94
0
0.126
stable
...
...
44
101
100.905582
93.9712
868.74
5/2
0.17
stable
...
...
44
102
101.904349
94.9016
877.96
0
0.316
stable
...
...
44
103
102.906323
95.8349
884.20
3/2
...
39.24d
b-
0.77
44
104
103.905424
96.7656
893.10
0
0.0187
stable
...
...
44
106
105.907322
98.6304
907.48
0
...
1.02y
b-
0.039
Atomic data
Index

Periodic Table

Chemistry concepts

Reference
Rohlf
 
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