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

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Ozone

We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.

Hydrate

A solid compound that contains a definite percentage of bound water.

Evaporation Rate

The rate at which a particular substance will vapourize (evaporate) when compared to the rate of a known substance such as ethyl ether. This term is especially useful for health and fire-hazard considerations.

Mixture

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

Heat Capacity

The amount of heat required to raise the temperature of a body (of any mass) one degree Celsius.

Saccharide

An organic compound containing a sugar or sugars.

Equivalence Point

The point at which chemically equivalent amounts of reactants have reacted.

Dimer

Molecule formed by combination of two smaller (identical) molecules.

Electronegativity

A measure of the relative tendency of an atom to attract electrons to itself when chemically combined with another atom.

Particulate Matter

Fine divided solid particles suspended in polluted air.