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The substance that oxidizes another substance and is reduced.

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Hydrate Isomers

Isomers of crystalline complexes that differ in whether water is present inside or outside the coordination sphere.

Mother Nuclide

Nuclide that undergoes nuclear decay.

Barometer

A device for measuring pressure.

Quantum Numbers

Numbers that describe the energies of electrons in atoms, derived from quantum mechanical treatment.

Buret

A piece of volumetric glassware, usually graduated in 0.1-mL intervals, that is used to deliver solutions to be used in titrations in a quantitative (dropwise) manner.

Active Metal

Metal with low ionization energy that loses electrons readily to form cations.

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Chemistry of the sky

Chemistry can teach us about the composition of celestial bodies and determine their age.

Heterogeneous Mixture

A mixture that does not have uniform composition and properties throughout.

Dissociation

In aqueous solution, the process in which a solid ionic compound separates into its ions.