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Caesium - Notable characteristics | | Caesium - Notable characteristics: Encyclopedia II - Caesium - Notable characteristics | | The electromagnetic spectrum of caesium has two bright lines in the blue part of the spectrum along with several other lines in the red, yellow, and green. This metal is silvery gold in color and is both soft and ductile. Caesium is also the most electropositive and most alkaline of the stable chemical elements and also has the least ionization potential of all the elements, except for francium. Caesium is the least abundant of the five non-radioactive alkali metals. (Technically, francium is the least common alkali metal, but since it is highly radioactive with less than 30 grams in the entire earth at one time, its ab ...
See also:Caesium, Caesium - Notable characteristics, Caesium - Applications, Caesium - History, Caesium - Occurrence, Caesium - Isotopes, Caesium - Precautions | | | Caesium, Caesium - Applications, Caesium - History, Caesium - Isotopes, Caesium - Notable characteristics, Caesium - Occurrence, Caesium - Precautions, Cs-137, Goiânia accident - a major radioactive contamination incident involving a small rod of caesium chloride. | | |
| | | Caesium: Encyclopedia II - Caesium - Notable characteristics
Caesium - Notable characteristics
The electromagnetic spectrum of caesium has two bright lines in the blue part of the spectrum along with several other lines in the red, yellow, and green. This metal is silvery gold in color and is both soft and ductile. Caesium is also the most electropositive and most alkaline of the stable chemical elements and also has the least ionization potential of all the elements, except for francium. Caesium is the least abundant of the five non-radioactive alkali metals. (Technically, francium is the least common alkali metal, but since it is highly radioactive with less than 30 grams in the entire earth at one time, its abundance can be considered zero in practical terms.)
Along with gallium, francium and mercury, caesium is among the only metals that are liquid at or near room temperature. Caesium reacts explosively in cold water and also reacts with ice at temperatures above −116°C. Caesium hydroxide (CsOH) is a very strong base and will rapidly etch the surface of glass.
Other related archives1860, 1881, 1954, 1993, Caesium chloride, Caesium fluoride, Caesium hydroxide, Chernobyl, Cs-137, Goiânia accident, Gustav Kirchhoff, IUPAC, International System of Measurements, Latin, Manitoba, North American English, Radioactive, Robert Bunsen, United States, alkali metal, alkaline, aluminium, anhydrous, atmosphere, atom, atomic clocks, atomic masses, atomic number, azide, base, blue, cancer, catalyst, chemical element, chemical elements, chloride, color, cyanide, electrolysis, electromagnetic spectrum, electropositive, energy levels, explosive, fluoride, francium, gallium, getter, glass, green, ground state, half-lives, hydrated, hydrogenation, hydrology, hydroxide, ionization potential, isotope, lepidolite, magnetometers, mercury, metals, metric tons, mineral water, nitrate, nuclear power, nuclear power plants, nuclear testing, nuclear weapons, organic chemistry, organic compounds, oxygen, periodic table, photoelectric cells, pollucite, radiation, radiogenic, radioisotopes, red, room temperature, second, silicate, spectroscopically, temperature, time, toxic, tritium, vacuum tubes, water, yellow
 Adapted from the Wikipedia article "Notable characteristics", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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