Se
11 compounds have this formula on CompoundList.
- Molar mass
- 78.97g/mol
- Monoisotopic mass
- 82.9191Da
- Atoms
- 1
- Elements
- 1
The formula Se describes a molecule made of 1 selenium 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
- Se Selenium × 1100.00%78.971 × 1 = 78.971 g/mol
Compounds with the formula Se
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 11 of 11 compounds
Frequently asked questions
What is the molar mass of Se?
The molar mass of Se is 78.97 g/mol, calculated from standard atomic weights for 1 selenium atom. The monoisotopic mass is 82.9191 Da.
How many compounds have the formula Se?
CompoundList lists 11 compounds with the molecular formula Se, including Selenium, Selenium Se-75, Selenium-72. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.