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.
