Rubidium Uses

An alkaline earth metal by nature, rubidium is placed in the alkaline radical on the periodic table devoted to elements. The uses of Rubidium are confined predominantly to laboratory situations. It is basically used for the purpose of conducting experiments.
In order to understand the uses of rubidium it is essential to systematically comprehend what is rubidium. This article is packed with rubidium facts. Facts are a prerequisite in order to systematically analyze the properties and rubidium uses. Therefore, to cover the said subject with justice the article is divided into segments.

Index Facts about Rubidium
  • Rubidium is used for industrial purposes and it is also an essential component in the laboratory to conduct varied experiments.
  • The atomic number of the element is 37 and is abbreviated as Rb on the periodic table devoted to elements.
  • It alloys with gold, sodium, cesium and potassium and the flame when it ignites is brownish-violet in color. This is the reason why it is used in manufacturing fireworks as it gives them a purple violet shade.
  • Rubidium is referred to as a reactive element. It is not a reliable element when exposed to an environment that has a valued content of oxygen prominence.
  • Robert Wilhelm Bunsen and Gustav Robert Kirchhoff invented rubidium in the year 1861 with the help of a spectroscope. It is available in the earth's crust and is considered to be the 16 most abundant metal in the earth's crust.
  • Rubidium is found in a compound form with minerals such as lepodite, pollucite, carnallite, leucite and zinnwaldite. The rubidium content from these minerals must be extracted in order to make the element economically viable for the purpose of commercial settings.
  • Rubidium properties in terms of its appearance has a shade of silver and white.
  • Rubidium derives its name from a Latin term 'rubius' which means deepest red. This is due to an inherent rubidium fact that when rubidium is burned, it evicts a reddish brown flame.
  • Apart from being an active reactant with abundant oxygen, it is also an aggressive element in the presence of water.
  • The element reacts when comes in contact with air. Discoloration with regards to the metal getting oxidized takes place.
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Rubidium Properties

Here are the rubidium properties in the form of a table...

Chemical Properties Values
Atomic number 37
Atomic mass 85.4678 g.mol -1
Isotopes 11
Boiling point 696 ºC
Melting point 39 ºC
Density 1.53 g.cm-3 at 20°C
Electronegativity according to Pauling 0.8
Vanderwaals radius 0.243 nm
Ionic radius 0.149 nm (+1)
Energy of first ionization 402.9 kJ.mol -1
Energy of second ionization 2633 kJ.mol -1
Energy of third ionization 3860 kJ.mol -1
Standard potential - 2.99 V
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What is Rubidium Used For
  • Rubidium uses are not plentiful. It has few commercial uses.
  • Rubidium uses could extend up to manufacturing photocells, atomic clocks and electronic tubes.
  • Rubidium salts are utilized in creating glass and ceramic wear.
  • Uses of rubidium metal diversifies as a component in lending purple color to the fireworks.
  • Another rubidium use is the rubidium vapor that is used in laser cooling.
  • Acting as working fluid in vapor turbines and a component in ion engines in space vehicles are the other important uses of rubidium.
  • As rubidium is an element in the earth's crust, it is a constituent of soil in which plants grow.
  • Rubidium has a property of seeping into plants quickly. This is how rubidium enters the food chain and becomes a constituent, with our daily intake of the component ranging from 1 to 5 mg.
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There are no specific rubidium uses in everyday life. In the actual, only those who are trained to handle pure rubidium can handle the chemical element. People should avoid ingesting the component and even the one's who are expert handlers should cover their eyes with an eye gear and protect their face when working with rubidium. If any discrepancies occur, you must get in touch with a medical practitioner at the earliest.
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Last Updated: 9/26/2011
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