substrates that undergo a chemical reaction in order to form products.
substance that is a starting material before a chemical change
One of the starting materials in a chemical reaction.
Compare with product. A substance that is consumed during a chemical change.
an element or compound present before a chemical change takes place
any substance used up in a chemical reaction
A substance that enters into and is altered in the course of a chemical reaction.
a starting substance in a chemical reaction
One of the substances which reacts in a chemical reaction (See product).
A chemical substance that enters into a chemical reaction with another substance.
A reactant is a substance put together with another substance/substances to undergo a chemical reaction. Useful products from air
A reactant is a substance put together with another substance/substances to undergo a chemical reaction. Classifying materials
The initial material that participates in a chemical reaction. Written on the left side of a chemical equation. Compare to product.
A compound present at the beginning of a chemical reaction.