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Molecule formed by combination of two smaller (identical) molecules.

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Dosimeter

A small, calibrated electroscope worn by laboratory personnel and designated to detect and measure incident ionizing radiation or chemical exposure.

Atmosphere

A unit of pressure, the pressure that will support a column of mercury 760 mm high at 0 °C.

Geiger counter

A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

Adhesive Forces

Forces of attraction between a liquid and another surface.

Equilibrium Constant

A quantity that characterizes the position of equilibrium for a reversible reaction, its magnitude is equal to the mass action expression at equilibrium. K varies with temperature.

Ionization Isomers

Isomers that result from the interchange of ions inside and outside the coordination sphere.

Electrodes

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

Isoelectric

Having the same electronic configurations.

Why do copper products change color, and what is the name of the process?

Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.

Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.