Not known today but probably francium don't burn.
Probable francium is not flammable.
Probable francium is not flammable.
Francium is not combustible.
not known
Francium has not applications and the oxide cannot be prepared.
Yes, it is combustible.
This property was not measured on francium.
Francium is not a transition metal.
It is impossible to measure the hardness of francium.
Francium was named after France, the country it was dicovered in.
Francium has not applications and the oxide cannot be prepared.
Francium can form cations with the charge +1.
Francium is a metal.
Francium is a true chemical element, not an example.
Yes, it is combustible.
Yes, it is combustible.
coke is combustible
Americium is not combustible.
We haven't sufficient francium for a measurement; also francium is autovaporized.
The chemistry of francium is not known; francium has properties similar to caesium.
Francium is very radioactive and very difficult to obtain; heating of francium due to the decay leads to instantaneous vaporization of francium.