The mass of one fluorine atom is 18.998 atomic mass units (amu).
Understanding Atomic Mass
Atomic mass, often expressed in atomic mass units (amu), is the mass of an atom. It's essentially the number of protons and neutrons in an atom's nucleus. For practical purposes, it is also equivalent to the molar mass in g/mol.
Fluorine's Atomic Mass
Based on the provided reference, fluorine has an atomic weight of 18.998 amu. This value is also the equivalent molar mass of fluorine, at 18.998 g/mol.
- Atomic mass: 18.998 amu (for a single atom)
- Molar mass: 18.998 g/mol (for a mole of atoms)
Importance of Atomic Mass Units
Atomic mass units (amu) are a standard unit of mass used to express the mass of atoms and molecules. The use of amu simplifies working with these tiny masses. 1 amu is defined as 1/12 of the mass of a carbon-12 atom.
Key Takeaways
- One fluorine atom has a mass of 18.998 amu.
- This is also the average atomic mass of naturally occurring fluorine.
- The mass is equivalent to 18.998 g/mol if you are talking about a large collection of fluorine atoms rather than a single one.