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An insoluble solid formed by mixing in solution the constituent ions of a slightly soluble solution.

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Bond Energy

The amount of energy necessary to break one mole of bonds of a given kind (in gas phase).The amount of energy necessary to break one mole of bonds in a substance, dissociating the sustance in the gaseous state into atoms of its elements in the gaseous state.

Valence Electrons

Outermost electrons of atoms, usually those involved in bonding.

Beta Particle

Electron emitted from the nucleus when a neuton decays to a proton and an electron.

Alpha (a) Particle

Helium ion with 2+ charge, an assembly of two protons and two neutrons.

Heterocyclic Amine

Amine in which the nitrogen is part of a ring.

Polymorphous

Refers to substances that crystallize in more than one crystalline arrangement.

Nitrogen Cycle

The complex series of reactions by which nitrogen is slowly but continually recycled in the atmosphere, lithosphere and hydrosphere.

 

Electroplating

Plating a metal onto a (cathodic) surface by electrolysis.

Dispersed Phase

The solute-like species in a colloid.

Atomic Mass Unit (amu)

One twelfth of a mass of an atom of the carbon-12 isotope, a unit used for stating atomic and formula weights, also called dalton.