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Description of the quantitative relationships among elements and compounds as they undergo chemical changes.

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Detergent

A soap-like emulsifer that contains a sulfate, SO3 or a phosphate group instead of a carboxylate group.

Electron Configuration

Specific distribution of electrons in atomic orbitals of atoms or ions.

Alkylbenzene

A compound containing an alkyl group bonded to a benzene ring.

Displacement Reactions

Reactions in which one element displaces another from a compound.

 

Single Bond

Covalent bond resulting from the sharing of two electrons (one pair) between two atoms.

Standard Entropy

The absolute entropy of a substance in its standard state at 298 K.

Barometer

A device for measuring pressure.

Chemical Equation

Description of a chemical reaction by placing the formulas of the reactants on the left and the formulas of products on the right of an arrow.

Ether

Compound in which an oxygen atom is bonded to two alkyl or two aryl groups, or one alkyl and one aryl group.

Coordinate Covalent Bond

A covalent bond in which both shared electrons are donated by the same atom, a bond between a Lewis base and a Lewis acid.