Changes

: The '''Avagadro Constant''' is used to state thenumber of [[atom]]s or [[molecule]]s in a [[mole]] of a [[substance]].: 1 [[mole]] of an [[element]] contains 6.02x10²³ [[atom]]s of that [[element]].: 1 [[mole]] of a [[molecule]] contains 6.02x10²³ [[molecule]]s.