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Compounds that contain the same number of the same kinds of atoms in different geometric arrangements.

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Lewis Base

Any species that can make available a share in an electron pair.

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Anion

A negative ion, an atom or goup of atoms that has gained one or more electrons.

 

Metallic Conduction

Conduction of electrical current through a metal or along a metallic surface.

Condensed States

The solid and liquid states.

Isoelectric

Having the same electronic configurations.

Deposition

The direct solidification of a vapor by cooling, the reverse of sublimation.

Nickel-cadmium cell (Nicad battery)

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

Indicators

For acid-base titrations, organic compounds that exhibit different colors in solutions of different acidities, used to determine the point at which reaction between two solutes is complete.

Critical Mass

The minimum mass of a particular fissionable nuclide in a given volume required to sustain a nuclear chain reaction.