Fr
5 compounds have this formula on CompoundList.
- Molar mass
- 223.00g/mol
- Monoisotopic mass
- 223.0197Da
- Atoms
- 1
- Elements
- 1
The formula Fr describes a molecule made of 1 francium atom. It is written in Hill notation: with no carbon present, every element is listed in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- Fr Francium × 1100.00%223 × 1 = 223.000 g/mol
Compounds with the formula Fr
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 5 of 5 compounds
Frequently asked questions
What is the molar mass of Fr?
The molar mass of Fr is 223.00 g/mol, calculated from standard atomic weights for 1 francium atom. The monoisotopic mass is 223.0197 Da.
How many compounds have the formula Fr?
CompoundList lists 5 compounds with the molecular formula Fr, including Francium, Francium, isotope of mass 223, Francium-221. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.