Rhodium (Hon-ngî: 銠 lǎo) he yit-chúng fa-ho̍k ngièn-su, fa-ho̍k fù-ho vì Rh, ngièn-chṳ́ su-muk he 45.
Rhodium, 45Rh| ngoi-kôn |
|---|
silvery white metallic
 |
| Kî-pún sin-sit |
|---|
| Miàng, fù-ho |
Rhodium, Rh |
|---|
| ngoi-hìn |
silvery white metallic |
|---|
| Rhodium chhai chû-khì-péu ke vi-chi |
|---|
|
|
| ngièn-chṳ́ sì-sú |
45 |
|---|
| ngièn-chṳ́-liòng (±) |
102.90550(2)[1] |
|---|
| ngièn-su lui-phe̍t |
ko-thu kîm-su̍k |
|---|
| Chhu̍k, fûn-khî |
9 chhu̍k, d-block |
|---|
| chû-khì |
period 5 |
|---|
| thien-chṳ́ phài-lie̍t |
[Kr] 4d8 5s1 |
|---|
| per shell |
2, 8, 18, 16, 1 |
|---|
| vu̍t-lî sin-chṳt |
|---|
| Siông |
ku-thí |
|---|
| yùng-tiám |
2237 K (1964 °C, 3567 °F) |
|---|
| pui-tiám |
3968 K (3695 °C, 6683 °F) |
|---|
| Me̍t-thu near Sit-vûn |
12.41 g·cm−3 |
|---|
|
10.7 g·cm−3 |
| Yùng-fa-ngie̍t |
26.59 kJ·mol−1 |
|---|
| Chîn-fat-ngie̍t |
493 kJ·mol−1 |
|---|
| Ngie̍t-yùng-liong |
24.98 J·mol−1·K−1 |
|---|
chîn-hi-ap
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| chhai T (K)
|
2288
|
2496
|
2749
|
3063
|
3405
|
3997
| |
| Ngièn-chṳ́ sin-chṳt |
|---|
| Yông-fa-su |
6, 5, 4, 3, 2, 1,[2] −1, −3 (an amphoteric oxide) |
|---|
| Thien-fu-sin |
Pauling scale: 2.28 |
|---|
| Thien-lì-nèn |
1st: 719.7 kJ·mol−1
2nd: 1740 kJ·mol−1
3rd: 2997 kJ·mol−1 |
|---|
| Ngièn-chṳ́ pan-kang |
empirical: 134 pm |
|---|
| Khiung-ka pan-kang |
142±7 pm |
|---|
| Miscellanea |
|---|
| Chîn-thí keu-chho |
face-centered cubic (fcc) |
|---|
| Sâng-suk thin rod |
4700 m·s−1 (at 20 °C) |
|---|
| Ngie̍t-phàng-chong |
8.2 µm·m−1·K−1 (at 25 °C) |
|---|
| Ngie̍t-chhòn-thô-li̍t |
150 W·m−1·K−1 |
|---|
| Thien-chú-li̍t |
43.3 nΩ·m (at 0 °C) |
|---|
| Chhṳ̀-sin |
paramagnetic[3] |
|---|
| Young's modulus |
380 GPa |
|---|
| Shear modulus |
150 GPa |
|---|
| Bulk modulus |
275 GPa |
|---|
| Poisson ratio |
0.26 |
|---|
| Mohs hardness |
6.0 |
|---|
| Vickers hardness |
1100–8000 MPa |
|---|
| Brinell hardness |
980–1350 MPa |
|---|
| CAS Registry Number |
7440-16-6 |
|---|
| Le̍k-sú |
|---|
| Hoat-kiàn kap siōng chá ê tông-ūi-sò͘ |
William Hyde Wollaston (1804) |
|---|
| Chui vún-thin ke thùng-vi-su |
|---|
|
Chú vùn-chông: Rhodium ke thùng-vi-su |
| iso
|
NA
|
half-life
|
DM
|
DE (MeV)
|
DP
|
| 99Rh
|
syn
|
16.1 d
|
ε
|
–
|
99Ru
|
| γ
|
0.089, 0.353,
0.528
|
–
|
| 101mRh
|
syn
|
4.34 d
|
ε
|
101Ru
|
| IT
|
101Rh
|
| γ
|
–
|
| 101Rh
|
syn
|
3.3 y
|
ε
|
–
|
101Ru
|
| γ
|
0.127, 0.198,
0.325
|
–
|
| 102mRh
|
syn
|
3.7 y
|
ε
|
–
|
102Ru
|
| γ
|
0.475, 0.631,
0.697, 1.046
|
–
|
| 102Rh
|
syn
|
207 d
|
ε
|
102Ru
|
| β+
|
102Ru
|
| β−
|
102Pd
|
| γ
|
–
|
| 103Rh
|
100%
|
–
|
(SF)
|
<15.462
|
|
| 105Rh
|
syn
|
35.36 h
|
β−
|
0.247, 0.260,
0.566
|
105Pd
|
| γ
|
0.306, 0.318
|
–
| |
|
Decay modes in parentheses are predicted, but have not yet been observed |
