Eegenskapen
|
|
Algemian
|
Nööm, Symbool, Numer
|
Roodium, Rh, 45
|
Seerie
|
Auergungsmetal
|
Skööl, Periode, Blook
|
9, 5, d
|
Klöör, Skak
|
salwer-witj metalen
|
CAS-Numer
|
7440-16-6
|
Uundial
|
0,001 ppm[1]
|
Atomaar [2]
|
Atoommase
|
102,90550(2)[3] u
|
Atoomraadius (bereegent)
|
135 (173) pm
|
Kovalent-Raadius
|
142 pm
|
Elektroonen
|
[Kr] 4d8 5s1
|
1. Ionisiarang
|
719,7 kJ/mol
|
2. Ionisiarang
|
1740 kJ/mol
|
3. Ionisiarang
|
2997 kJ/mol
|
Füsikaalisk [2]
|
Tustant
|
fest
|
Kristal
|
kubisch flächenzentriert
|
Sachthaid
|
12,38 g/cm3 (20 °C)[4]
|
Hardhaid
|
6
|
Magnetismus
|
paramagneetisk (Χm = 1,7 · 10−4)[5]
|
Smoltponkt
|
2237 K (1964 °C)
|
Köögponkt
|
4000 K[6] K (3727 °C)
|
Molaar Rüm
|
8,28 · 10−6 m3/mol
|
Dampwaremk
|
531 kJ/mol[6] kJ/mol
|
Smoltwaremk
|
21,7 kJ/mol
|
Faard faan a tuun
|
4700 m/s bi 293,15 K
|
Waremk
|
243[7] J/(kg · K)
|
Elektrisk struumfeerang
|
23,3 · 106 A/(V · m)
|
Waremkfeerang
|
150 W/(m · K)
|
Cheemisk [2]
|
Oksidatsionstustant
|
0, +1, +2, +3, +4
|
Oksiiden
|
RhO2
|
Sür of baasisk
|
amfoteer
|
Normoolpotentiaal
|
0,76 V (Rh3+ + 3e− → Rh)
|
Elektronegatiwiteet
|
2,28 (Pauling-Skala)
|
Isotoopen
|
Isotoop
|
NH
|
t1/2
|
Aktiwiteet
|
Energii (MeV)
|
Produkt
| 101Rh |
{syn.}
| 3,3 a | ε | 0,542 | 101Ru |
102Rh |
{syn.}
| 207 d | β+ | 2,323 | 102Ru | β− | 1,150 | 102Pd |
102mRh |
{syn.}
| 3,742 a | β+ | 2,464 | 102Ru | IT | 0,141 | 102Ru |
103Rh |
100 %
|
stabiil |
104Rh |
{syn.}
| 42,3 s | β− | 2,441 | 104Pd | ε | 1,141 | 104Ru |
105Rh |
{syn.}
| 35,36 h | β− | 0,567 | 105Pd |
106Rh |
{syn.}
| 29,80 s | β− | 3,541 | 106Pd |
|
Muar isotoopen bi List faan isotoopen
|
NMR-Eegenskapen
|
|
Seekerhaid
|
|
Muar wäärnangen
|
MAK-miat |
Sweits: 0,1 mg·m−3 (stoof)[9]
|
Miast wurd SI-ianhaiden brükt.
|
Roodium as en cheemisk element mä det ufkörtang Rh an det atoomnumer 45. Hat as en salwer-witj, hard auergungsmetal.
- ↑ Harry H. Binder: Lexikon der chemischen Elemente. S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3.
- ↑ A taalen för't infobox kem miast faan www.webelements.com (Rhodium) .
- ↑ CIAAW, Standard Atomic Weights Revised 2013.
- ↑ N. N. Greenwood, A. Earnshaw: Chemie der Elemente. 1. aplaag. VCH, Weinheim 1988, ISBN 3-527-26169-9, S. 1427.
- ↑ Robert C. Weast (Hrsg.): CRC Handbook of Chemistry and Physics. CRC (Chemical Rubber Publishing Company), Boca Raton 1990, ISBN 0-8493-0470-9, S. E-129 bit E-145. Wäärser diar uun g/mol an uun cgs-ianhaiden. Amreegent tu SI-wäärs.
- ↑ 6,0 6,1 Yiming Zhang, Julian R. G. Evans, Shoufeng Yang: Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. Uun: Journal of Chemical & Engineering Data. 56, 2011, S. 328–337, doi:10.1021/je1011086.
- ↑ (ütjden faan) David R. Lide: CRC Handbook of Chemistry and Physics. 90. aplaag. (uun't näät: 2010), CRC Press/Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, S. 4-135.
- ↑ 8,0 8,1 Iindraanj tu Rhodium, Pulver uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 30. April 2017 (mä JavaScript).
- ↑ Schweizerische Unfallversicherungsanstalt (SUVA): Aktuel MAK- an BAT-wäärser