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44
  Ru  
101.070000
Ruthenium
      


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Name: Ruthenium
Symbol: Ru
Atomic Number: 44
AtomicWeight: 101.070000
Family: transition metals
CAS RN: 7440-18-8
Description: A hard silvery white metal
State (25 °C): Solid
Melting Point: 2607 °K
Boiling Point: 4423 °K
Density: 12.37 g/cm3
Oxidation states: +3
Electron Configuration: [Kr] 4d75s1
Radius: 130 pm (Covalent)
Electronegativity: 2.2 (Pauling Scale)

1st Ionization Energy: 710 KJ/mole
2nd Ionization Energy: 1620 KJ/mole
3rd Ionization Energy: 2747 KJ/mole

      



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