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A term used to describe molecules and polyatomic ions that have one atom in the center and six atoms at the corners of a octahedron.

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Pauli Exclusion Principle

No two electrons in the same atom may have identical sets of four quantum numbers.

Polydentate

Refers to ligands with more than one donor atom.

Compressed Gas

A gas or mixture of gases having, in a container an absolute pressure exceeding 40 psi at 21.1°C (70°F)

Heavy Water

Water containing deuterium, a heavy isotope of hydrogen.

High Spin Complex

Crystal field designation for an outer orbital complex, all t2g and eg orbitals are singly occupied before any pairing occurs.

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Ion Product for Water

Equilibrium constant for the ionization of water, Kw = [H3O+][OH-] =1.00 x 10-14 at 25 °C.

Fat

Solid triester of glycerol and (mostly) saturated fatty acids.

Mass Spectrometer

An instrument that measures the charge-to-mass ratio of charged particles.

Formula Weight

The mass of one formula unit of a substance in atomic mass units.