Element Name: Ruthenium
Atomic No.: 44
State (298 K): solid
Uses: catalyst
Atomic Mass: 101.07 g/mol
Density: 12.37 g/cm
3
B.P.: 4173 K
F.P.: 2583 K
Electronic Configuration: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
4d
6
5s
2
Isotopes:
96
Ru 95.9076 amu (5.52%)
98
Ru 97.9055 amu (1.88%)
99
Ru 98.9061 amu (12.7%)
p;
100
Ru 99.9030 amu (12.6%)
102
Ru 101.9037 amu (31.6%)
104
Ru 103.9055 amu (18.7%)
Electronegativity: 2.20
Radius: 124 pm (covalent)
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