Difference between revisions of "Iridium"
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{{Element | | {{Element | | ||
name=Iridium | | name=Iridium | | ||
| Line 11: | Line 12: | ||
series=Transition Metals | | series=Transition Metals | | ||
density=22.65 g/cm3 | | density=22.65 g/cm3 | | ||
| − | melts=2719K,<BR/> | + | melts=2719K,<BR/>2446°C,<BR/>4435°F | |
| − | boils=4701K,<BR/> | + | boils=4701K,<BR/>4428°C,<BR/>8002°F | |
isotopes=191<BR/>193 | | isotopes=191<BR/>193 | | ||
prior=[[Osmium|<FONT color="#7F7FFF">Os</FONT>]] | | prior=[[Osmium|<FONT color="#7F7FFF">Os</FONT>]] | | ||
Revision as of 06:04, 10 October 2007
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 |
| Ru ← Rh → Pd | |
| Os ← Ir → Pt | |
| Hs ← Mt → Ds | |
| 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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