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A dry cell in which the anode is Cd, the cathode is NiO2, and the electrolyte is basic.

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Law of Combining Volumes (Gay-Lussac's Law)

At constant temperature and pressure, the volumes of reacting gases (and any gaseous products) can be expressed as ratios of small whole numbers.

 

Voltage

Potential difference between two electrodes, a measure of the chemical potential for a redox reaction to occur.

Photon

A packet of light or electromagnetic radiation, also called quantum of light.

 

Period

The elements in a horizontal row of the periodic table.

Alkali Metals

Metals of Group IA (Na, K, Rb).

Common Ion Effect

Suppression of ionization of a weak electrolyte by the presence in the same solution of a strong electrolyte containing one of the same ions as the weak electrolyte.

Amine

Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.

Mechanism

The sequence of steps by which reactants are converted into products.

Boiling Point Elevation

The increase in the boiling point of a solvent caused by the dissolution of a nonvolatile solute.

Electrophoresis

A technique for separation of ions by rate and direction of migration in an electric field.