Francium was discovered in 1939 by French chemist Marguerite Perey. Francium is one of the rarest elements found on the earths surface and there is less than an ounce of it in the earths crust, therefore, this made it hard for Francium to be discovered, and was finally discovered 80 years after all of the others.
Francium was named after France, the country it was dicovered in.
Francium is very radioactive and very difficult to obtain; heating of francium due to the decay leads to instantaneous vaporization of francium.
Francium is not explosive.
Francium hasn't applications.
Francium was discovered, see the link.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939, in Paris (France)..
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939.
Francium was discovered by Marguerite Perey in 1939 in France.