Difference between revisions of "Iridium"

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==Related Articles==
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*[[Platinum Group Metals]]
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*[[Ruthenium]]
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*[[Rhodium]]
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*[[Palladium]]
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*[[Osmium]]
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*[[Platinum]]
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*[[Resource Values]]
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*[[Periodic Table]]
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{{Autostub}}
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[[Category:Solids]]
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[[Category:Transition Metals ]]
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<!-- Generated by a gamma candidate version of Autostub2 (Test 9) -->

Revision as of 19:25, 16 December 2008

trocgetbasa

Iridium
Ir
In situ availability:
Necessity:
Atomic number: 77
Atomic mass: 192.217
group: 9
period: 6
normal phase: Solid
series: Transition Metals
density: 22.65 g/cm3
melting point: 2719K,
2446°C,
4435°F
boiling point: 4701K,
4428°C,
8002°F
RuRhPd
Os ← Ir → Pt
HsMtDs
Atomic radius (pm): 135
Bohr radius (pm): 180
Covalent radius (pm): 137
Van der Waals radius (pm):
ionic radius (pm): (+4) 63
1st ion potential (eV): 9.1
Electron Configuration
1s2
2s2 2p6
3s2 3p6 3d10
4s2 4p6 4d10 4f14
5s2 5p6 5d7
6s2
Electrons Per Shell
2, 8, 18, 32, 15, 2
Electronegativity: 2.2
Electron Affinity: 1.57
Oxidation states: 2, 3, 4, 6
Magnetism: ?
Crystal structure: Face centered cubic

Iridium is a Transition Metal in group 9. It has a Face centered cubic crystalline structure. This element has two stable isotopes: 191 and 193.


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