Definition of Rubidium. Meaning of Rubidium. Synonyms of Rubidium

Here you will find one or more explanations in English for the word Rubidium. Also in the bottom left of the page several parts of wikipedia pages related to the word Rubidium and, of course, Rubidium synonyms and on the right images related to the word Rubidium.

Definition of Rubidium

Rubidium
Rubidium Ru*bid"i*um, n. [NL., fr. L. rubidus red, fr. rubere to be red. So called from two dark red spectroscopic lines by means of which it was discovered in the lepidolite from Rozena, Moravia. See Rubicund.] (Chem.) A rare metallic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Symbol Rb. Atomic weight, 85.2.

Meaning of Rubidium from wikipedia

- Rubidium is a chemical element; it has symbol Rb and atomic number 37. It is a very soft, whitish-grey solid in the alkali metal group, similar to pot****ium...
- Rubidium (37Rb) has 36 isotopes, with naturally occurring rubidium being composed of just two isotopes; 85Rb (72.2%) and the radioactive 87Rb (27.8%)....
- Rubidium chloride is the chemical compound with the formula RbCl. This alkali metal halide salt is composed of rubidium and chlorine, and finds diverse...
- consist of the chemical elements lithium (Li), sodium (Na), pot****ium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Together with hydrogen they constitute...
- Rubidium-82 (82Rb) is a radioactive isotope of rubidium. 82Rb is widely used in myocardial perfusion imaging. This isotope undergoes rapid uptake by myocardiocytes...
- A rubidium standard or rubidium atomic clock is a frequency standard in which a specified hyperfine transition of electrons in rubidium-87 atoms is used...
- Rubidium selenide is an inorganic compound composed of selenium and rubidium. It is a selenide with a chemical formula of Rb2Se. Rubidium selenide is...
- Rubidium hydroxide is the inorganic compound with the formula RbOH. It consists of rubidium cations and an equal number of hydroxide anions. It is a colorless...
- temperature. Caesium has physical and chemical properties similar to those of rubidium and pot****ium. It is pyrophoric and reacts with water even at −116 °C (−177 °F)...
- Rubidium nitrate is an inorganic compound with the formula RbNO3. This alkali metal nitrate salt is white and highly soluble in water. Rubidium nitrate...