Rubidium, 37Rb |
|
Pabaosan | (roo-BID-ee-əm) |
---|
Cingakan | klau petak |
---|
Bobot atom standar Ar, std(Rb) | 7001854678000000000♠85.4678(3)[1] |
---|
|
|
Wilangan atom (Z) | 37 |
---|
Watek | golongan 1 (logam alkali) |
---|
Période | période 5 |
---|
Blok | blok-s |
---|
Konpigurasi éléktron | [Kr] 5s1 |
---|
Éléktron per kulit | 2, 8, 18, 8, 1 |
---|
|
Pase ring STP | padet |
---|
Titik lebur | 312.45 K (39.30 °C, 102.74 °F) |
---|
Titik didih | 961 K (688 °C, 1270 °F) |
---|
Kapadetan (nampek s.r.) | 1.532 g/cm3 |
---|
ri kala éncéh (ring t.l.) | 1.46 g/cm3 |
---|
Titik tripel | 312.41 K, ? kPa[2] |
---|
Titik kritis | 2093 K, 16 MPa (kaékstrapolasi)[2] |
---|
Panes fusi | 2.19 kJ/mol |
---|
Panes panguapan | 69 kJ/mol |
---|
Kapasitas panes molar | 31.060 J/(mol·K) |
---|
Tekanan uap
P (Pa)
|
1
|
10
|
100
|
1 k
|
10 k
|
100 k
|
at T (K)
|
434
|
486
|
552
|
641
|
769
|
958
| |
|
Paindikan oksidasi | −1, +1 (oksida basa kuat) |
---|
Kaéléktronégatipan | skala Pauling: 0.82 |
---|
Wasa ionisasi | - ka-1: 403 kJ/mol
- ka-2: 2632.1 kJ/mol
- ka-3: 3859.4 kJ/mol
-
|
---|
Jeriji atom | émpiris: 248 pm |
---|
Jeriji kovalén | 220±9 pm |
---|
Jeriji Van der Waals | 303 pm |
---|
Garis spéktral saking rubidium |
|
Rupa alami | primordial |
---|
Struktur kristal | kubus mapusat badan (bcc) |
---|
Kagelisan swara pales tipis | 1300 m/s (ring 20 °C) |
---|
Ékspansi térmal | 90 µm/(m⋅K)[3] (at s.k.) |
---|
Konduktivitas térmal | 58.2 W/(m⋅K) |
---|
Resistivitas listrik | 128 nΩ⋅m (ring 20 °C) |
---|
bacakan magnétik | paramagnétik[4] |
---|
Karentanan magnétik molar | 6995170000000000000♠+17.0×10−6 cm3/mol (303 K)[5] |
---|
Modulus Young | 2.4 GPa |
---|
Modulus Bulk | 2.5 GPa |
---|
Kakatosan Mohs | 0.3 |
---|
Kakatosan Brinell | 0.216 MPa |
---|
Nomor CAS | 7440-17-7 |
---|
|
Panemuan | Robert Bunsen miwah Gustav Kirchhoff (1861) |
---|
Isolasi kapertama | George de Hevesy |
---|
|
|
Kategori:Rubidium | pustaka |
Rb:
|
|
ring
|
itung saking C
|
bina
|
parihindik
|
pus
|
C
|
39.30
|
—
|
—
|
|
|
K
|
312.45
|
312.45
|
0
|
|
|
F
|
102.74
|
102.74
|
0
|
|
|
présisi maks
|
2
|
WD
|
String Module Error: Target string is empty
|
|
|
|
dagingan
|
C: 39.30, K: 312.45, F: 102.74
|
pabligbagan
|
|
Rb:
|
|
ring
|
itung saking C
|
bina
|
parihindik
|
pus
|
C
|
688
|
—
|
—
|
|
|
K
|
961
|
961
|
0
|
|
|
F
|
1270
|
1270
|
0
|
|
|
présisi maks
|
0
|
WD
|
String Module Error: Target string is empty
|
|
|
|
dagingan
|
C: 688, K: 961, F: 1270
|
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.
- ↑ 2,0 2,1 Haynes, William M., ed. (2011). CRC Handbook of Chemistry and Physics (édisi ka-92nd). Boca Raton, FL: CRC Press. p. 4.122. ISBN 1439855110.
- ↑ Cverna, Fran (2002). "Ch. 2 Thermal Expansion". ASM Ready Reference: Thermal properties of metals (PDF). ASM International. ISBN 978-0-87170-768-0.
- ↑ 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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