La
10 compounds have this formula on CompoundList.
- Molar mass
- 138.91g/mol
- Monoisotopic mass
- 142.9161Da
- Atoms
- 1
- Elements
- 1
The formula La describes a molecule made of 1 lanthanum 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
- La Lanthanum × 1100.00%138.91 × 1 = 138.910 g/mol
Compounds with the formula La
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 10 of 10 compounds
Frequently asked questions
What is the molar mass of La?
The molar mass of La is 138.91 g/mol, calculated from standard atomic weights for 1 lanthanum atom. The monoisotopic mass is 142.9161 Da.
How many compounds have the formula La?
CompoundList lists 10 compounds with the molecular formula La, including Lanthanum, Lanthanum-140, Lanthanum-132. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.