Francium isn't available for several reasons:
There is no dealer/seller who can or will sell you Francium, whatever they say about it.
Francium is not a commercial product.
Francium is not a commercial product.
FRancium is not a commercial product.
Francium is not a commercial product.
Francium is not a commercial product.
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Francium can form cations with the charge +1.
Francium is a true chemical element, not an example.
Fr is the symbol for the radioactive element francium.
Francium hasn't applications.
Francium has not now practical applications; francium is used only for scientific studies.
Francium hasn't price.
Francium is not a commercial product.
Francium can form cations with the charge +1.
Francium is not a commercial product.
Francium is not a commercial product.
Francium is not a commercial material.
Francium is not a commercial product.
Francium was named after France, the country it was dicovered in.
Not known today but probably francium don't burn.
Francium has not applications and the oxide cannot be prepared.
Francium is a metal.
Francium is a true chemical element, not an example.