Iridium (Óa-im: "i-lí-ti-ùm") sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 77, hoà-ha̍k hû-hō sī Ir.
Iridium, 77Ir
 |
Ki-pún sèng-chit |
---|
Miâ, hû-hō |
iridium, Ir |
---|
Gōa-hêng |
silvery white |
---|
Iridium tī chiu-kî-piáu lāi ê ūi-tì |
---|
|
Goân-chú-hoan |
77 |
---|
Goân-chú-liōng (±) |
192.217(3)[1] |
---|
Goân-sò͘ lūi-pia̍t |
kòe-tō͘ kim-sio̍k |
---|
Cho̍k, hun-khu |
9 cho̍k, d khu |
---|
Chiu-kî |
tē 6 chiu-kî |
---|
Tiān-chú pâi-lia̍t |
[Xe] 4f14 5d7 6s2 |
---|
per shell |
2, 8, 18, 32, 15, 2 |
---|
Bu̍t-lí sèng-chit |
---|
Siòng |
solid |
---|
Iûⁿ-tiám |
2719 K (2446 °C, 4435 °F) |
---|
Hut-tiám |
4403 K (4130 °C, 7466 °F) |
---|
Bi̍t-tō͘ (sek-un) |
22.56 g·cm−3 |
---|
19 g·cm−3 |
Iûⁿ-hoà-jia̍t |
41.12 kJ·mol−1 |
---|
Cheng-hoat-jia̍t |
564 kJ·mol−1 |
---|
Jia̍t-iông-liōng |
25.10 J·mol−1·K−1 |
---|
cheng-khì-ap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
tī T (K)
|
2713
|
2957
|
3252
|
3614
|
4069
|
4659
| |
Goân-chú sèng-chit |
---|
Sng-hòa-sò͘ |
−3, −1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9[2] |
---|
Tiān-hū-tō͘ |
Pauling scale: 2.20 |
---|
Tiān-lī-lêng |
1st: 880 kJ·mol−1 2nd: 1600 kJ·mol−1 |
---|
Goân-chú pòaⁿ-kèng |
empirical: 136 pm |
---|
Kiōng-kè pòaⁿ-kèng |
141±6 pm |
---|
Cha̍p-lio̍k |
---|
Chiⁿ-thé kò͘-chō |
face-centered cubic (fcc) |
---|
Siaⁿ-sok (sòe kùn-á) |
4825 m·s−1 (at 20 °C) |
---|
Jia̍t-phòng-tiòng |
6.4 µm·m−1·K−1 |
---|
Jia̍t-thoân-tō-lu̍t |
147 W·m−1·K−1 |
---|
Tiān-chó͘-lu̍t |
47.1 nΩ·m (at 20 °C) |
---|
Chû-sèng |
paramagnetic[3] |
---|
Young hē-sò͘ |
528 GPa |
---|
Shear hē-sò͘ |
210 GPa |
---|
Bulk hē-sò͘ |
320 GPa |
---|
Poisson pí |
0.26 |
---|
Mohs ngē-tō͘ |
6.5 |
---|
Vickers ngē-tō͘ |
1760–2200 MPa |
---|
Brinell ngē-tō͘ |
1670 MPa |
---|
CAS teng-kì pian-hō |
7439-88-5 |
---|
Le̍k-sú |
---|
Discovery and first isolation |
Smithson Tennant (1803) |
---|
Chòe ún-tēng ê tông-ūi-sò͘ |
---|
Chú bûn-chiong: iridium ê tông-ūi-sò͘ |
iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
188Ir
|
syn
|
1.73 d
|
ε
|
1.64
|
188Os
|
189Ir
|
syn
|
13.2 d
|
ε
|
0.532
|
189Os
|
190Ir
|
syn
|
11.8 d
|
ε
|
2.000
|
190Os
|
191Ir
|
37.3%
|
–
|
(α)
|
2.0839
|
187Re
|
192Ir
|
syn
|
73.827 d
|
β−
|
1.460
|
192Pt
|
ε
|
1.046
|
192Os
|
192m2Ir
|
syn
|
241 y
|
IT
|
0.161
|
192Ir
|
193Ir
|
62.7%
|
–
|
(α)
|
1.0173
|
189Re
|
193mIr
|
syn
|
10.5 d
|
IT
|
0.080
|
193Ir
|
194Ir
|
syn
|
19.3 h
|
β−
|
2.247
|
194Pt
|
194m2Ir
|
syn
|
171 d
|
IT
|
–
|
194Ir
| |
Decay modes in parentheses are predicted, but have not yet been observed |
- ↑ Standard Atomic Weights 2013. Commission on Isotopic Abundances and Atomic Weights
- ↑ Wang, Guanjun; Zhou, Mingfei; Goettel, James T.; Schrobilgen, Gary G.; Su, Jing; Li, Jun; Schlöder, Tobias; Riedel, Sebastian (2014). "Identification of an iridium-containing compound with a formal oxidation state of IX". Nature. 514: 475–477. doi:10.1038/nature13795.
- ↑ Lide, D. R., pian. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (86th pán.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5. Archived from the original on 2011-03-03. 2016-06-09 khòaⁿ--ê.