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A type of geometrical isomerism related to the angles between like ligands.

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Periodic Law

The properties of the elements are periodic functions of their atomic numbers.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.

Nitric Acid

HNO3: A strong acid, it is toxic and can cause severe burns. Transparent colorless or yellowish, fuming, suffocating, caustic and corrosive liquid. Nitric acid boiling point is 83C. A 70 percent solution is used in the S.S.E. laboratory for junction depth measurements. Nitric acid is also present in the metal etch solution used for the Aluminum etch procedure.

Allotropic Modifications (Allotropes)

Different forms of the same element in the same physical state.

Acidic Salt

A salt containing an ionizable hydrogen atom. Acidic salt does not necessarily produce acidic solutions.

Dissociation

In aqueous solution, the process in which a solid ionic compound separates into its ions.

Flammable

A liquid as defined by NFPD and DOT as having a flash point below 37.8°C (100°F).

Stereoisomers

Isomers that differ only in the way that atoms are oriented in space, consist of geometrical and optical isomers.

 

Leclanche Cell

A common type of dry cell.

Emulsion

Colloidal suspension of a liquid in a liquid.