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A solution that obeys Raoult's Law exactly.

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Molecular Formula

Formula that indicates the actual number of atoms present in a molecule of a molecular substance.

Crystal Field Stabilization Energy

A measure of the net energy of stabilization gained by a metal ion's nonbonding d electrons as a result of complex formation.

Peroxide

A compound containing oxygen in the -1 oxidation state. Metal peroxides contain the peroxide ion, O22

Heat of Fusion

The amount of heat required to melt one gram of solid at its melting point with no change in temperature. Usually expressed in J/g. The molar heat of fusion is the amount of heat required to melt one mole of a solid at its melting point with no change in temperature and is usually expressed in kJ/mol.

Greenhouse Effect

Trapping of heat at the surface of the earth by carbon dioxide and water vapour in the atmosphere.

Ion

An atom or a group of atoms that carries an electric charge.

Dimer

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

Henry's Law

The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.

Natural Radioactivity

Spontaneous decomposition of an atom.

Percent Composition

The mass percent of each element in a compound.