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Isomers in which a particular ligand bonds to a metal ion through different donor atoms.

 

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Alkynes

Unsaturated hydrocarbons that contain one or more carbon-carbon triple bonds.

Voltaic Cells

Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

Gangue

Sand, rock, and other impurities surrounding the mineral of interest in an ore.

Shielding Effect

Electrons in filled sets of s , p orbitals between the nucleus and outer shell electrons shield the outer shell electrons somewhat from the effect of protons in the nucleus, also called screening effect.

Law of Definite Proportions (Law of Constant Composition)

The law stating that a pure substance will always have the same percent by weight. Different samples of a pure compound always contain the same elements in the same proportions by mass.

Dispersing Medium

The solvent-like phase in a colloid.

Alkyl Group

A group of atoms derived from an alkane by the removal of one hydrogen atom.

Partial Pressure

The pressure exerted by one gas in a mixture of gases.

Equilibrium Constant

A quantity that characterizes the position of equilibrium for a reversible reaction, its magnitude is equal to the mass action expression at equilibrium. K varies with temperature.

Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.