Recommended Reviews for PenFed Credit Union - Corporate Office. Your trust is our top concern, so businesses can't pay to alter or remove their reviews.
1. stoichiometry - (chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers).
4. the constituent elements of something; the chemistry of love. [1560-1600; earlier chymistry].. A common glossary definition is short and sweet: Chemistry is the scientific study of matter, its properties, and interactions with other matter and with energy.