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Home :Glossary

Glossary: Q

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Glossary
qualitative analysis. Compare with quantitative analysis*.
A chemical analysis that detects the presence of a substance in a sample.

quantitative analysis. Compare with qualitative analysis*.
A chemical analysis that determines the concentration of a substance in a sample.

quantitative structure-activity relationship. QSAR.
A mathematical connection between chemical structure and biological activity, established by statistical analysis or pattern recognition* techniques.

quantum. quanta.
A discrete packet of energy.

quantum mechanics. quantum theory.
A branch of physics that describes the behavior of objects of atomic and subatomic size.

quantum number.
Indices that label quantized energy states. Quantum numbers are used to describe the state of a confined electron, e. g. an electron in an atom.



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General Chemistry Online! Glossary: Q

Copyright © 1997-2010 by Fred Senese
Comments & questions to fsenese@frostburg.edu
Last Revised 08/17/15.URL: http://antoine.frostburg.edu/chem/senese/101/glossary/q.shtml