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Forces of attraction between a liquid and another surface.

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Formula

Combination of symbols that indicates the chemical composition of a substance.

 

Ioniztion

The breaking up of a compound into separate ions.

Double Bond

Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.

Geometrical Isomers

Compounds with different arrangements of groups on either side of a bond with restricted rotation, such as a double bond or a single bond in a ring, for example cis-trans isomers of certain alkenes. Stereoisomers that are not mirror images of each other, also known as position isomers.

Particulate Matter

Fine divided solid particles suspended in polluted air.

Coulomb

Unit of electrical charge.

Amphoterism

The ability to react with both acids and bases.Ability of substance to act as either an acid or a base.

Ideal Gas

A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.

 

Cathode Ray Tube

Closed glass tube containing a gas under low pressure, with electrodes near the ends and a luminescent screen at the end near the positive electrode, produces cathode rays when high voltage is applied.

Combustible

Classification of liquid substances that will burn on the basis of flash points. A combustible liquid means any liquid having a flash point at or above 37.8°C (100°F) but below 93.3°C (200°F), except any mixture having components with flash points of 93.3°C (200°F) or higher, the total of which makes up 99 percent or more of the total volume of the mixture.