ABSTRACT
Avogadro’s number: 6.022 1
Atoms that lose or gain electro
One atomic mass unit (amu) is 12 atom. 1 amu = 1.6602 10
• Cations (+) (electrons lost • Anions () (electrons gain
Stoichiometry is the process of atoms, molecules and compoun
A molecule is the smallest coll electrically neutral and can exi unit.
