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Francium is a chemical element with symbol Fr and atomic number 87. It used to be known as ... Francium is an alkali metal whose chemical properties mostly resemble those of caesium. A heavy element...

Francium (Fr) - Chemical properties, Health and Environmental effects


Francium is extremely rare. Because of this its chemical and physical properties are not known. It has been studied by radiochemical techniques, which show ...

Francium Facts - Chemical & Physical Properties


Get periodic table information on the chemical and physical properties of the element francium (Fr), and its discovery.

What is Francium? - LiveScience


Sep 11, 2013 ... Properties and sources of the element francium. ... Discovery: Marguerite Perey discovered francium in 1939 at the Curie Institute in Paris.

Periodic Table of Elements: Francium - Fr (EnvironmentalChemistry ...


Comprehensive information for the element Francium - Fr is provided by this page including scores of properties, element names in many languages, most ...



Francium (previously known as eka-cesium and actinium K) is a radioactive metal and ... Very little is known of the physical and chemical properties of Francium ...

Francium»physical properties [WebElements Periodic Table]


This WebElements periodic table page contains physical properties for the element francium.

Francium»the essentials [WebElements Periodic Table]


Since its properties should track those of caesium rather closely, he called it eka- caesium. Marguerite Perey noticed an α decay product from actinium, now ...

Francium»reactions of elements [WebElements Periodic Table]


A fresh francium surface would soon tarnish because of reaction with oxygen and .... Francium compound properties; Nuclear properties; Isotopes and NMR.

Francium - Uses, Pictures, Characteristics, Properties, Periodic Table


Commercially, there are no uses for francium, due to its rarity and instability. It is used for research purposes only....

Symbol: Fr
Atomic Number: 87
Relative Atomic Mass: Indeterminiate because this element is relatively short lived and exists only as a transient decay product
Year Discovered: 1939
Discovered by: Marguerite Perey
More Info

Francium - Element information, properties and uses | Periodic Table


Element Francium (Fr), Group 1, Atomic Number 87, s-block, Mass [223]. Sources , facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Francium - Chemicool


Francium's properties, interesting facts, discovery, videos, images, states, energies, appearance and characteristics.

Francium, Chemical Element - uses, elements, metal, number, name ...


Francium may be the rarest element found on the Earth's surface. ... Until very recently, there was not enough francium to permit a study of its properties. In 1991 ...