http://www.ck12.org Chapter 27. Glossary
27.16 R
quantum (plural - quanta)
Minimum quantity of energy that can either be lost or gained by an atom.quantum numbers
We use these series of specific numbers to describe the location of an electron in an associated atom.quantum theory
Describes the allowed energies of molecules and atoms.quaternary structure
Only possessed by proteins that have more than one subunit.