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A proton acceptor

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Molarity

Number of moles of solute per litre of solution.

Insulator

Poor electric and heat conductor.

Wild patina, is it so bad?

Usually this kind of patina appears on monuments. The most striking example is the Statue of Liberty in New York.

Hydrogen Bond

A fairly strong dipole-dipole interaction (but still considerably weaker than the covalent or ionic bonds) between molecules containing hydrogen directly bonded to a small, highly electronegative atom, such as N, O, or F.

Associated Ions

Short-lived species formed by the collision of dissolved ions of opposite charges.

Solvent

The dispersing medium of a solution.

Electrolysis

Process that occurs in electrolytic cells.

Gamma Ray

High energy electromagnetic radiation. A highly penetrating type of nuclear radiation similar to x-ray radiation, except that it comes from within the nucleus of an atom and has a higher energy. Energywise, very similar to cosmic ray except that cosmic rays originate from outer space.

Haber Process

A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

Alums

Hydrated sulfates of the general formula M+M3+(SO4)2.12H2).