Ruthenium

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Ruthenium
Ru
In situ availability:
Necessity:
Atomic number: 44
Atomic mass: 101.07
group: 8
period: 5
normal phase: Solid
series: Transition Metals
density: 12.45 g/cm3
melting point: 2607K,
2334°C,
4233°F
boiling point: 4423K,
4150°C,
7502°F
MnFeCo
Tc ← Ru → Rh
ReOsIr
Atomic radius (pm): 130
Bohr radius (pm): 178
Covalent radius (pm): 126
Van der Waals radius (pm):
ionic radius (pm): (+3) 68
1st ion potential (eV): 7.36
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p6 4d7
5s1
Electrons Per Shell
2, 8, 18, 15, 1
Electronegativity: 2.2
Electron Affinity: 1.05
Oxidation states: 2, 3, 4, 6, 8
Magnetism: ?
Crystal structure: Hexagonal

Ruthenium is a Transition Metal in group 8. It has a Hexagonal crystalline structure. This element has 7 stable isotopes: 96, 98, 99, 100, 101, 102, and 104.

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