Rubidiy
37
Rb
Guruh
1
Davr
5
Block
s
Protonlar
Elektronlar
Neytronlar
37
37
48
General Properties
Atom raqami
37
Atom massasi
85,4678
Mass Number
85
Turkum
Ishqoriy metallar
Ranggi
Silver
Radioaktivlik
Yoʻq
From the Latin word rubidus, deepest red
Crystal Structure
Body Centered Cubic
Tarix
German chemists Robert Bunsen and Gustav Kirchhoff discovered rubidium in 1861 by the newly developed method of flame spectroscopy.
The separation of the metal was tried by Bunsen, but he never got samples with more than 18% of Rubidium.
The separation of the metal was only accomplished by George de Hevesy, through the hydrolysis of melted rubidium hydroxide.
The separation of the metal was tried by Bunsen, but he never got samples with more than 18% of Rubidium.
The separation of the metal was only accomplished by George de Hevesy, through the hydrolysis of melted rubidium hydroxide.
Electrons per shell
2, 8, 18, 8, 1
Elektron konfiguratsiyasi
[Kr] 5s1
Rubidium burns with a reddish-violet flame color
Physical Properties
Phase
Qattiq modda
Zichlik
1,532 g/cm3
Erish harorati
312,46 K | 39,31 °C | 102,76 °F
Qaynash harorati
961,15 K | 688 °C | 1270,4 °F
Heat of Fusion
2,19 kJ/mol
Heat of Vaporization
72 kJ/mol
Solishtirma issiqlik sigʻimi
0,363 J/g·K
Abundance in Earth's crust
0,006%
Abundance in Universe
1×10-6%
CAS Number
7440-17-7
PubChem CID Number
5357696
Atomic Properties
Atom radiusi
248 pm
Kovalentlik radiusi
220 pm
Elektrmanfiylik
0,82 (Poling boʻyicha)
Ionization Potential
4,1771 eV
Molyar hajm
55,9 cm3/mol
Issiqlik oʻtkazuvchanlik
0,582 W/cm·K
Oksidlanish darajasi
-1, 1
Applications
Rubidium is used as a getter in vacuum tubes and as a photocell component.
Rubidium compounds are sometimes used in fireworks to give them a purple color.
Rubidium salts are used in glasses and ceramics.
Rubidium-87 is slightly radioactive and has been used extensively in dating rocks.
Rubidium compounds are sometimes used in fireworks to give them a purple color.
Rubidium salts are used in glasses and ceramics.
Rubidium-87 is slightly radioactive and has been used extensively in dating rocks.
Rubidium is not known to be toxic
Izotoplar
Barqaror izotoplar
85RbBeqaror izotoplar
71Rb, 72Rb, 73Rb, 74Rb, 75Rb, 76Rb, 77Rb, 78Rb, 79Rb, 80Rb, 81Rb, 82Rb, 83Rb, 84Rb, 86Rb, 87Rb, 88Rb, 89Rb, 90Rb, 91Rb, 92Rb, 93Rb, 94Rb, 95Rb, 96Rb, 97Rb, 98Rb, 99Rb, 100Rb, 101Rb, 102Rb