Francium is the official name and the chemical symbol is Fr.
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.
The name of the chemical element is derived from France.
Francium is a radioacive chemical element; francium is natural but also may be prepared in laboratory.
Francium is not a compound, but a chemical element.
The chemical symbol of francium is Fr.
The chemical formula for francium is Fr and the chemical formula for arsenic is As.
The chemistry of francium is not known; francium has properties similar to caesium.
The chemistry of francium is practically unknown.
The chemistry of francium is practically unknown.
Francium is a natural chemical element.
The chemical formula for francium hydroxide is FrOH. Francium is a highly radioactive element and is extremely rare in nature. Francium hydroxide is a strong base and highly reactive due to the unstable nature of francium.
The chemical formula for Francium Bromide is FrBr (one francium atom bonded to one bromide atom). Francium is a highly reactive alkali metal and bromide is a halogen.