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PERIODIC TABLE
Ruthenium
Atomic No. 44
Ru
Ruthenium
About Ruthenium
Ruthenium is a platinum group metal with atomic number 44 that exhibits a broad range of oxidation states. Ruthenium oxide is used in chip resistors and in coatings on electrochemical anodes for chlorine production. Ruthenium also serves in chemical catalysts and as an alloying addition that hardens platinum and palladium.
Properties
- Atomic Number
- 44
- Atomic Symbol
- Ru
- Atomic Mass
- 101.07
- CAS No.
- 7440-18-8
- Density
- 12.37 g/cm³
- Series
- transition metal
- Melting Point
- 2,334°C
- Boiling Point
- 4,150°C
- Thermal Conductivity
- 1.2 W/cm °C
- Heat of Fusion
- 25.7 kJ/mol
- Heat of Vaporization
- 580 kJ/mol
- Electronegativity
- 2.2 pauling
- Crystal Structure
- Hexagonal
- Electrical Conductivity
- 1.4×107 S/m
Ruthenium Products
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