Gram atomic mass - Citizendia

Gram atomic mass is the mass, in grams, of one mole of atoms in a monatomic element. The mole (symbol mol) is a unit of Amount of substance: it is an SI base unit, and almost the only unit to be used to measure this History See also Atomic theory, Atomism The concept that matter is composed of discrete units and cannot be divided into arbitrarily tiny A chemical element is a type of Atom that is distinguished by its Atomic number; that is by the number of Protons in its nucleus. It is numerically equal to the relative atomic mass (or atomic weight) in u. The atomic mass (ma is the Mass of an atom most often expressed in unified atomic mass units The atomic mass may be considered to be the total mass The unified atomic mass unit ( u) or Dalton ( Da) or sometimes universal mass unit, is an unit of Mass used to express