Eegenskapen
|
|
Algemian
|
Nööm, Symbool, Numer
|
Iriidium, Ir, 77
|
Seerie
|
Auergungsmetal
|
Skööl, Periode, Blook
|
9, 6, d
|
Klöör, Skak
|
salwern witj
|
CAS-Numer
|
7439-88-5
|
Uundial
|
0,001 ppm[1]
|
Atomaar [2]
|
Atoommase
|
192,217(3)[3] u
|
Atoomraadius (bereegent)
|
135 (180) pm
|
Kovalent-Raadius
|
141 pm
|
Elektroonen
|
[Xe] 4f14 5d7 6s2
|
1. Ionisiarang
|
880 kJ/mol
|
2. Ionisiarang
|
1600 kJ/mol
|
Füsikaalisk [2]
|
Tustant
|
fest
|
Kristal
|
kuubisk
|
Sachthaid
|
22,56 g/cm3[4]
|
Hardhaid
|
6,5
|
Magnetismus
|
paramagneetisk (Χm = 3,8 · 10−5)[5]
|
Smoltponkt
|
2739 K (2466 °C)
|
Köögponkt
|
4403 K[6] K (4130 °C)
|
Molaar Rüm
|
8,52 · 10−6 m3/mol
|
Dampwaremk
|
564 kJ/mol[6] kJ/mol
|
Smoltwaremk
|
26 kJ/mol
|
Faard faan a tuun
|
4825 m/s
|
Elektrisk struumfeerang
|
19,7 · 106 A/(V · m)
|
Waremkfeerang
|
150 W/(m · K)
|
Cheemisk [2]
|
Oksidatsionstustant
|
−3, −1, 0, 1, 2, 3, 4, 5, 6, 8, 9[7]
|
Sür of baasisk
|
lacht baasisk
|
Normoolpotentiaal
|
1,156 V (Ir3+ + 3e− → Ir)
|
Elektronegatiwiteet
|
2,20 (Pauling-Skala)
|
Isotoopen
|
Isotoop
|
NH
|
t1/2
|
Aktiwiteet
|
Energii (MeV)
|
Produkt
| 189Ir |
{syn.}
| 13,2 d | ε | 0,532 | 189Os |
190Ir |
{syn.}
| 11,78 d | ε | 2,000 | 190Os |
191Ir |
37,3 %
|
stabiil |
192Ir |
{syn.}
| 73,830 d | β− | 1,460 | 192Pt | ε | 1,046 | 192Os |
192mIr |
{syn.}
| 241 a | IT | 0,155 | 192Ir |
193Ir |
62,7 %
|
stabiil |
194Ir |
{syn.}
| 19,15 h | β− | 2,247 | 194Pt |
195Ir |
{syn.}
| 2,5 h | β− | 1,120 | 195Pt |
|
Muar isotoopen bi List faan isotoopen
|
NMR-Eegenskapen
|
|
Spin (I)
|
γ uun rad·T−1·s−1
|
Er(1H)
|
fL bi B = 4,7 T uun MHz
|
191Ir
|
3/2
|
4,812 · 106
|
1,09 · 10−5
|
1,72
|
193Ir
|
3/2
|
5,227 · 106
|
2,34 · 10−5
|
1,87
|
|
Seekerhaid
|
|
Miast wurd SI-ianhaiden brükt.
|