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Any kind of matter all specimens of which have the same chemical composition and physical properties.

 

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Most Popular

Chemical Kinetics

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

Activity Series

A listing of metals (and hydrogen) in order of decreasing activity.

Boron Hydrides

Binary compounds of boron and hydrogen.

Distilland

The material in a distillation apparatus that is to be distilled.

Barometer

A device for measuring pressure.

Chain Termination Step

The combination of two radicals, which removes the reactive species that propagate the change reaction.

Condensed States

The solid and liquid states.

Periodic Table of Elements

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

Spectral Line

Any of a number of lines corresponding to definite wavelengths of an atomic emission or absorption spectrum, represents the energy difference between two energy levels.

 

Flotation

Method by which hydrophobic (water-repelling) particles of an ore are separated from hydrophilic (water-attracting) particles of a metallurgical pretreatment process.