What is francium oxide?

Francium is a chemical element with symbol Fr and atomic number 87. It used to be known as eka-caesium and actinium K. It is the second-least electronegative element, behind only caesium. Francium is a highly radioactive metal that decays into ast... read more

Francium oxide is an ionic compound with the formula Fr [math]_2[/math] O. It will likely dissolve exothermically in water, giving a solution of FrOH, which is a strong base, and have similar chemical properties to oxides of smaller alkali metals. read more

The chemical formula for the element Francium is Fr. Francium isatomic number 87 and has a molecular weight of 223 grams per mole. read more

Francium is a chemical element with symbol Fr and atomic number 87. It used to be known as eka-caesium. It is extremely radioactive; its most stable isotope, francium-223 (originally called actinium K after the natural decay chain it appears in), has a half-life of only 22 minutes. read more