This compound is not known today.
Formula: Cu+
Francium.
Francium has the atomic number of 87 and its symbol is "Fr". Before receiving it's current placement on the atomic table, it had previously been referenced as Actinium K and EKA Caesium.
Cadmium arsenate
Not known today but probably francium don't burn.
The chemical symbol of francium is Fr.
Fr is the symbol for the radioactive element francium.
The chemical symbol of francium is Fr correct !
The chemial symbol Fr is derived from the first two letters of the name Francium.
Francium is the official name and the chemical symbol is Fr.
Formula: Cu+
This compound was not prepared; the chemical formula will be FrF.
The correct symbol of this isotope is 223Fr.
Fr
francium
Francium.
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.