Periodic table of elements

44 - Ruthenium [Ru]

44: Ruthenium - Ruthenium [Ru]
Group: 8
Period: 5
Atomic number: 44
Atomic mass: 101.07
Configuration: [Kr] 4d75s1
Atomic radius: 178 pm
Covalent radius: 146 pm
Electron affinity: 101.3 eV
Ionization energy: 7.3605 eV
Electronic term: 5F5
Mass fraction in the earth crust: 0.00000000099
Mass fraction in the earth space: 0.000000004
Electronegativity: 2.2

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