In a(n) _____________________, the energy released as the products form is greater than the energy required to break the bonds of the reactants.

A(n) ________________ is a system in which matter can enter from or escape to the surroundings.

_____________ are long chains of molecules that are made up of repeating units called monomers.

A _________________ is anything naturally occurring in the environment that humans use.

____________ is the measure of how much solute will dissolve in a solvent.

A ____________ is a heterogeneous mixture containing small, undissolved particles that do not separate or settle out if the mixture is undisturbed.

Substances that undergo chemical changes are called _________.

The __________ is the part of the solution that is present in the largest amount.

_________________ mixtures look the same throughout.