CompoundList
Molecular formula

Fm

6 compounds have this formula on CompoundList.

Molar mass
257.00g/mol
Monoisotopic mass
257.0951Da
Atoms
1
Elements
1

The formula Fm describes a molecule made of 1 fermium 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

  • Fm Fermium × 1100.00%
    257 × 1 = 257.000 g/mol
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Compounds with the formula Fm

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 6 of 6 compounds

Frequently asked questions

What is the molar mass of Fm?

The molar mass of Fm is 257.00 g/mol, calculated from standard atomic weights for 1 fermium atom. The monoisotopic mass is 257.0951 Da.

How many compounds have the formula Fm?

CompoundList lists 6 compounds with the molecular formula Fm, including Fermium, Fermium-255, Fermium-253. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.