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Liquids that, when cooled, apparently solidify but actually continue to flow very slowly under the influence of gravity e.g glass.

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Daughter Nuclide

Nuclide that is produced in a nuclear decay.

 

Designated area

An area that may be used for work with carcinogens, reproductive toxins, or substances that have a high degree of acute toxicity. A designated area may be the entire laboratory, an area of a laboratory, or a device such as a laboratory hood.

Periodic Table

An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.

Positron

A Nuclear particle with the mass of an electron but opposite charge.

Faraday

One faraday of electricity corresponds to the charge on 6.022 x 1023 electrons, or 96,487.301 coulombs.

Calorie

The amount of heat required to raise the temperature of one gram of water from 14.5°C to 15.5°C. 1 calorie = 4.184 joules.

D-Orbitals

Beginning in the third energy level, aset of five degenerate orbitals per energy level, higher in energy than s and p orbitals of the same energy level.

 

Capillary Action

The drawing of a liquid up the inside of a small-bore tube when adhesive forces exceed cohesive forces, or the depression of the surface of the liquid when cohesive forces exceed the adhesive forces.

Chemical Kinetics

The study of rates and mechanisms of chemical reactions and of the factors on which they depend.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.