Rhodium, 45 Rh Pabaosan (ROH -dee-əm ) Cingakan métalik putih masawang pérak Bobot atom standar A r, std (Rh) 7002102905490000000♠ 102.90549 (2)[ 1]
Wilangan atom (Z ) 45 Watek golongan 9 Période période 5 Blok blok-d Konpigurasi éléktron [Kr ] 4d8 5s1 Éléktron per kulit 2, 8, 18, 16, 1 Pase ring STP padet Titik lebur 2237 K (1964 °C, 3567 °F) Titik didih 3968 K (3695 °C, 6683 °F) Kapadetan (nampek s.r. ) 12.41 g/cm3 ri kala éncéh (ring t.l. ) 10.7 g/cm3 Panes fusi 26.59 kJ/mol Panes panguapan 493 kJ/mol Kapasitas panes molar 24.98 J/(mol·K) Tekanan uap
P (Pa)
1
10
100
1 k
10 k
100 k
at T (K)
2288
2496
2749
3063
3405
3997
Paindikan oksidasi −3[ 2] , −1, 0, +1,[ 3] +2, +3 , +4, +5, +6, +7[ 4] (oksida ampotér ) Kaéléktronégatipan skala Pauling: 2.28 Wasa ionisasi ka-1: 719.7 kJ/mol ka-2: 1740 kJ/mol ka-3: 2997 kJ/mol Jeriji atom émpiris: 134 pm Jeriji kovalén 142±7 pm Garis spéktral saking rhodiumRupa alami primordial Struktur kristal kubus mapusat muka (fcc) Kagelisan swara pales tipis 4700 m/s (ring 20 °C) Ékspansi térmal 8.2 µm/(m⋅K) (ring 25 °C) Konduktivitas térmal 150 W/(m⋅K) Resistivitas listrik 43.3 nΩ⋅m (ring 0 °C) bacakan magnétik paramagnétik [ 5] Karentanan magnétik molar 6996111000000000000♠ +111.0× 10−6 cm3 /mol (298 K)[ 6] Modulus Young 380 GPa Modulus Shear 150 GPa Modulus Bulk 275 GPa Rasio Poisson 0.26 Kakatosan Mohs 6.0 Kakatosan Vickers 1100–8000 MPa Kakatosan Brinell 980–1350 MPa Nomor CAS 7440-16-6 Panemuan miwah isolasi kapertamaWilliam Hyde Wollaston (1804)
Kategori:Rhodium | pustaka
Rh:
ring
itung saking C
bina
parihindik
pus
C
1964
—
—
K
2237
2237
0
F
3567
3567
0
présisi maks
0
WD
3.571 3.571
dagingan
C: 1964, K: 2237, F: 3567
pabligbagan
Rh:
ring
itung saking C
bina
parihindik
pus
C
3695
—
—
K
3968
3968
0
F
6683
6683
0
présisi maks
0
WD
6.741 6.741
dagingan
C: 3695, K: 3968, F: 6683
pabligbagan
Pustaka
Pustaka pacang tampil ring suratan, menawi lis puniki wantah tampil ring kaca puniki.
↑ Méija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry . 88 (3): 265–91. doi :10.1515/pac-2015-0305 .
↑ Ellis J E. Highly Reduced Metal Carbonyl Anions: Synthesis, Characterization, and Chemical Properties. Adv. Organomet. Chem, 1990, 31: 1-51.
↑ "Rhodium: rhodium(I) fluoride compound data" . OpenMOPAC.net. Kaaksés 2007-12-10 .
↑ Rh(VII) is known in the RhO3 + cation, see "The Highest Oxidation State of Rhodium: Rhodium(VII) in [RhO3]+". Angew. Chem. Int. Ed . 2022. doi :10.1002/anie.202207688 .
↑ Lide, D. R., ed. (2005). "Magnetic susceptibility of the elements and inorganic compounds". CRC Handbook of Chemistry and Physics (PDF) (édisi ka-86th). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5 .
↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics . Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4 .
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