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 is extremely rare. Because of this its chemical and physical properties
are not known. It has been studied by radiochemical techniques, which show ...
Element Francium (Fr), Group 1, Atomic Number 87, s-block, Mass . Sources
, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Get periodic table information on the chemical and physical properties of the
element francium (Fr), and its discovery.
Francium's properties, interesting facts, discovery, videos, images, states,
energies, appearance and characteristics.
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
This WebElements periodic table page contains physical properties for the
Francium Chemical Properties, Physical Properties and General Information:
general properties, physical properties, atomic properties, isotopes, compounds,
Francium, basic physical and chemical properties of the element.