No good, no bad facts; francium is a very rare chemical element, also very unstable. The chemistry of francium is largely unknown. But is a radioactive element and the radioactivity is frequently dangerous.
The estimated thermal conductivity of francium is 15 W/m.K.
The terms good or bad are not adequate for chemical elements.
Not known today but probably francium don't burn.
Francium has not applications and the oxide cannot be prepared.
Francium is a metal.
Francium was named after France, the country it was dicovered in.
The chemistry of francium is not known; francium has properties similar to caesium.
We haven't sufficient francium for a measurement; also francium is autovaporized.
As francium is a chemical element, it is made up of protons, neutrons and electrons.
Francium is a radioacive chemical element; francium is natural but also may be prepared in laboratory.
Francium is not a commercial product.
Francium is not a commercial product.