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Two methyl groups of the same carbon atom.

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Cohesive Forces

All the forces of attraction among particles of a liquid.

Molarity

Number of moles of solute per litre of solution.

Plasma

A physical state of matter which exists at extremely high temperatures in which all molecules are dissociated and most atoms are ionized.

Free Radical

A highly reactive chemical species carrying no charge and having a single unpaired electron in an orbital.

Liquid Aerosol

Colloidal suspension of liquid in gas.

Dispersing Medium

The solvent-like phase in a colloid.

Stereoisomers

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

 

Oxidation Numbers

Arbitrary numbers that can be used as mechanical aids in writing formulas and balancing equations, for single- atom ions they correspond to the charge on the ion, more electronegative atoms are assigned negative oxidation numbers (also called Oxidation states).

Native State

Refers to the occurrence of an element in an uncombined or free state in nature.

 

Ionization

In aqueous solution, the process in which a molecular compound reacts with water and forms ions.