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Francium

en.wikipedia.org/wiki/Francium

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

www.lenntech.com/periodic/elements/fr.htm

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

chemistry.about.com/od/elementfacts/a/francium.htm

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

What is Francium? - LiveScience

www.livescience.com/39582-what-is-francium.html

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 ...

environmentalchemistry.com/yogi/periodic/Fr.html

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

FRANCIUM

www.raci.org.au/document/item/427

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]

www.webelements.com/francium/physics.html

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

Francium»the essentials [WebElements Periodic Table]

www.webelements.com/francium/

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]

www.webelements.com/francium/chemistry.html

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

www.lookchem.com/Periodic-Table/Francium/

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

Answer
Francium
Francium
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

www.rsc.org

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

www.chemicool.com

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

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

www.chemistryexplained.com

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 ...