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A thermometer used for accurate measurement of very small changes in temperature.

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Conduction Band

A partially filled band or a band of vacant energy levels just higher in energy than a filled band, a band within which, or into which, electrons must be promoted to allow electrical conduction to occur in a solid.

Differential Thermal Analysis (DTA)

A technique for observing the temperature, direction, and magnitude of thermally induced transitions in a material by heating/cooling a sample and comparing its temperature with that of an inert reference material under similar conditions.

Catenation

Bonding of atoms of the same element into chains or rings.
The bonding together of atoms of the same element to form chains.
The ability of an element to bond to itself.

Freezing Point Depression

The decrease in the freezing point of a solvent caused by the presence of a solute.ing Point

Ozone

We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.

Specific Gravity

The ratio of the density of a substance to the density of water.

Crystal Lattice

A pattern of arrangement of particles in a crystal.

Electrodes

Surfaces upon which oxidation and reduction half-reactions, occur in electrochemical cells.

Optical Activity

The rotation of plane polarized light by one of a pair of optical isomers.

 

Alums

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