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The unit used to express dipole moments.

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xanthene dye

Any of a group of dyes having a molecular structure related to that of xanthene in which the aromatic (C6H4) groups are the chromophore.

 

Liquid Aerosol

Colloidal suspension of liquid in gas.

Atomic Radius

Radius of an atom.

Plasma

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

Tyndall Effect

The scattering of light by colloidal particles.

Nonpolar Bond

Covalent bond in which electron density is symmetrically distributed.

Ion

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

Neutralization

The reaction of an acid with a base to form a salt and water. Usually, the reaction of hydrogen ions with hydrogen ions to form water molecules.

Flash Point

The temperature at which a liquid will yield enough flamable vapour to ignite. There are various recognized industrial testing methods, therefore the method used must be stated.

Electromagnetic Radiation

Energy that is propagated by means of electric and magnetic fields that oscillate in directions perpendicular to the direction of travel of the energy.