Wikipedia Minangkabau - Lubuak aka tapian ilimu
|
|
| Panampilan
|
putih keperakan metalik
|
| Ciri-ciri umum
|
| Namo, lambang, Nomor atom
|
rodium, Rh, 45
|
| Disabuik
|
/ˈroʊdiəm/
|
| Jinih unsur
|
logam transisi
|
| Golongan, pariode, blok
|
9, 5, d
|
| Massa atom standar
|
102.90550
|
| Konfigurasi elektron
|
[Kr] 5s1 4d8
2, 8, 18, 16, 1
|
| Sipaik fisika
|
| Fase
|
solid
|
| Masso jinih (mandokek-i suhu kamar)
|
12.41 g·cm−3
|
| Masso jinih caiaran pado t.l.
|
10.7 g·cm−3
|
| Titik lebur
|
2237 K, 1964 °C, 3567 °F
|
| Titik didih
|
3968 K, 3695 °C, 6683 °F
|
| Kalor palaburan
|
26.59 kJ·mol−1
|
| Kalor penguapan
|
494 kJ·mol−1
|
| Kapasitas kalor
|
24.98 J·mol−1·K−1
|
| Tokanan uap
|
| P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
| at T (K)
|
2288
|
2496
|
2749
|
3063
|
3405
|
3997
|
|
| Sipaik atom
|
| Bilangan oksidasi
|
6, 5, 4, 3, 2, 1[1], -1
(oksida amfoter)
|
| Elektronegativitas
|
2.28 (skala Pauling)
|
| Energi ionisasi
|
partamo: 719.7 kJ·mol−1
|
| ke-2: 1740 kJ·mol−1
|
| ke-3: 2997 kJ·mol−1
|
| Jari-jari atom
|
134 pm
|
| Jari-jari kovalen
|
142±7 pm
|
| Lain-lain
|
| Struktur kristal
|
face-centered cubic
|
| Pambanahan magnetik
|
paramagnetik[2]
|
| Katarhambatan elektris
|
(0 °C) 43.3 nΩ·m
|
| Konduktivitas termal
|
150 W·m−1·K−1
|
| Ekspansi termal
|
(25 °C) 8.2 µm·m−1·K−1
|
| Kacapatan suaro (batang ringan)
|
(20 °C) 4700 m·s−1
|
| Modulus Young
|
380 GPa
|
| Modulus Shear
|
150 GPa
|
| Bulk modulus
|
275 GPa
|
| Rasio Poisson
|
0.26
|
| Kakarasan Mohs
|
6.0
|
| Kakarasan Viker
|
1246 MPa
|
| Kakarasan Brinell
|
1100 MPa
|
| Nomor CAS
|
7440-16-6
|
| Isotop paliang stabil
|
|
|
| · r
|
References
These references will appear in the article, but this list appears only on this page.
- ↑ "Rhodium: rhodium(I) fluoride compound data". OpenMOPAC.net. Diakses tanggal 2007-12-10.
- ↑ Magnetic susceptibility of the elements and inorganic compounds, in Handbook of Chemistry and Physics 81st edition, CRC press.
