Rubidium

Group A vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell. A soft silvery-white metallic element of the alkali group that ignites spontaneously in air and reacts violently with water, used in photocells and as a getter in the. The chemical element rubidium is classed as an alkali metal.

It is one of the most electropositive and alkaline elements.

It is a soft, silvery-white metallic element of the. A metallic chemical element (symbol Rb) with an atomic number of 37. A single atom of this element. Chambers Dictionary of Etymology, Robert K. Industrially, it is commonly used in photocells, vapor reference cells (with quartz), lasers, to make special types of glass and as a getter to remove.

It has protons and electrons. It is used as a chemical reagent and in the.

The element is a member of the alkali metal group of the periodic table. Definition of rubidium - the chemical element of atomic number 3 a rare soft silvery reactive metal of the alkali metal group. From the Latin word for deepest re rubidus. Rb-8 a naturally occurring isotope, is.

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Recent Examples on the Web. To do this, Stenhauer shot a laser composed of rubidium atoms through an environment cooled to almost absolute zero. Find great deals on eBay for rubidium and frequency standard.

Reaction of rubidium with air. The resulting surface is bright and shiny. However, this surface soon tarnishes because of. In its gas phase, RbCl is diatomic with a bond length estimated at 2.

This distance increases to 3. RbCl, reflecting the higher. It is solid at room temperature but melts easily, at 39. Like the other group metals, rubidium reacts. Rubidium (Rb) has an atomic number of thirty-seven.

It uses these reactions to explore the trend. An alkaline earth metal by nature, rubidium is placed in the alkaline metal on the periodic table devoted to elements. The uses of rubidium , predominantly, are.