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Iridium, 77
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 −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 −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 Jia̍t-phòng-tiòng
6.4 µm·m−1 −1 Jia̍t-thoân-tō-lu̍t
147 W·m−1 −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
188 Ir
syn
1.73 d
ε
1.64
188 Os
189 Ir
syn
13.2 d
ε
0.532
189 Os
190 Ir
syn
11.8 d
ε
2.000
190 Os
191 Ir
37.3%
–
(α )
2.0839
187 Re
192 Ir
syn
73.827 d
β−
1.460
192 Pt
ε
1.046
192 Os
192m2 Ir
syn
241 y
IT
0.161
192 Ir
193 Ir
62.7%
–
(α)
1.0173
189 Re
193m Ir
syn
10.5 d
IT
0.080
193 Ir
194 Ir
syn
19.3 h
β−
2.247
194 Pt
194m2 Ir
syn
171 d
IT
–
194 Ir
Decay modes in parentheses are predicted, but have not yet been observed
Iridium (Óa-im: "i-lí-ti-ùm hoà-ha̍k goân-sò͘ . I ê goân-chú-hoan sī 77, hoà-ha̍k hû-hō sī Ir.
↑ 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 .
