Definition of Caesium. Meaning of Caesium. Synonyms of Caesium

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

Definition of Caesium

Caesium
Caesium C[ae]"si*um, n. [NL., from L. caesius bluish gray.] (Chem.) A rare alkaline metal found in mineral water; -- so called from the two characteristic blue lines in its spectrum. It was the first element discovered by spectrum analysis, and is the most strongly basic and electro-positive substance known. Symbol Cs. Atomic weight 132.6.

Meaning of Caesium from wikipedia

- Caesium (IUPAC spelling) (also spelled cesium in American English) is a chemical element with the symbol Cs and atomic number 55. It is a soft, silvery-golden...
- Caesium-137 (137 55Cs ), or radiocaesium, is a radioactive isotope of caesium which is formed as one of the more common fission products by the nuclear...
- Caesium (55Cs) has 40 known isotopes, making it, along with barium and mercury, one of the elements with the most isotopes. The atomic m****es of these...
- and atomic number 87. Prior to its discovery, it was referred to as eka-caesium. It is extremely radioactive; its most stable isotope, francium-223 (originally...
- concept. The first accurate atomic clock, a caesium standard based on a certain transition of the caesium-133 atom, was built by Louis Essen and Jack...
- Caesium chloride or cesium chloride is the inorganic compound with the formula CsCl. This colorless solid is an important source of caesium ions in a...
- Caesium fluoride or cesium fluoride is an inorganic compound usually encountered as a hygroscopic white solid. It is used in organic synthesis as a source...
- chemical elements lithium (Li), sodium (Na), pot****ium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Together with hydrogen they comprise group 1,...
- The caesium standard is a primary frequency standard in which the photon absorption by transitions between the two hyperfine ground states of caesium-133...
- fixed numerical value of the caesium frequency ∆νCs, the unperturbed ground-state hyperfine transition frequency of the caesium 133 atom, to be 9192631770...
Loading...