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A compound containing coordinate covalent bonds.

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Spectator Ions

Ions in a solution that do not participate in a chemical reaction.

Nucleons

Particles comprising the nucleus, protons and neutrons.

Molecular Weight

The mass of one molecule of a nonionic substance in atomic mass units.

Mixture

A sample of matter composed of two or more substances, each of which retains its identity and properties.

Resonance

The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion.

Biodegradability

The ability of a substance to be broken down into simpler substances by bacteria.

 

London Forces

Very weak and very short-range attractive forces between short-lived temporary (induced) dipoles, also called dispersion Forces.

Nonelectrolyte

A substance whose aqueous solutions do not conduct electricity.

Galvanizing

Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion.

 

Mass Action Expression

For a reversible reaction, aA + bB cC + dD the product of the concentrations of the products (species on the right), each raised to the power that corresponds to its coefficient in the balanced chemical equation, divided by the product of the concentrations of reactants (species on the left), each raised to the power that corresponds to its coefficient in the balanced chemical equation. At equilibrium the mass action expression is equal to K, at other times it is Q.[C]c[D]d [A]a[B]b = Q, or at equilibrium K.