Definition
The mole (symbol: mol) is the standard unit of amount of substance in the International System of Units (SI). It is defined as containing exactly elementary entities. These entities can be atoms, molecules, ions, electrons, or any other specified particles. This number is the fixed numerical value of the Avogadro Constant, , when expressed in .
A ‘mole’ of an element has a mass approximately equal to its Atomic Weight.
Value
Symbol(s)
mol