any substance that takes up space and has mass is called _____ matter an ______ is a substance that has specific chemical and physical properties element an _____ is the smallest unit of matter that still retains all the chemical properties of an element atom can an atom break-down into something smaller, while still retaining the properties of the original element? no molecules result whenever _____ atoms join together 2 or more _____ are molecules that contain more than one element compounds (ex: H2O is a molecule/compound) what are the strong attractive forces that hold atoms within a molecule? intramolecular forces which type of force exists between molecules? intermolecular forces which type of force (intra-/intermolecular) determines physical properties? intermolecular _____ are molecules that have the potential of bonding to other identical molecules through chemical reactions monomers _____ is the process when monomers bond together, and it forms _____ polymerization; polymers _____ are substances that have a large # of monomers bonded together