Francium is chemical element, not a compound.
The chemical symbol Fr is derived of course from francium - the first two letters; it is a rule in the system of naming chemical elements.
Francium is a radioactive element.
Francium exist in uranium and thorium ores.
Francium (Fr) is a natural radioactive element, extremely rare.
Francium is the Latin name of this element.
The Italian language name of francium is francio.
The element that has the element name of France is francium.
Fr is the symbol for the radioactive element francium.
Francium
The name of the chemical element is derived from France.
The element is francium.
Francium is chemical element, not a compound.
The chemical symbol Fr is derived of course from francium - the first two letters; it is a rule in the system of naming chemical elements.
Francium is the chemical element with the atomic number 87.
Francium is a radioactive element.
Marguerite Perey, 1939