A way of describing the number of atoms that make up one molecule of a compound
Lower number to the right of an element or polyatomic ion that indicates how many atoms of the element are present.
A process that produces a chemical change
In a chemical equation, the number placed in front of a chemical formula to balance the equation
States that matter can neither be creates or destroyed; it can only change form.
Law of Conservation of Mass
A way of writing changes in the arrangement of atoms during a chemical reaction, using chemical symbols.
Compound or element that changes during a chemical reaction
Compound or element that is the result of a chemical reaction