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Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

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Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

Primary Voltaic Cells

Voltaic cells that cannot be recharged, no further chemical reaction is possible once the reactants are consumed.

History of diamonds

Diamond has been known for about 5 thousand years. Historians suggest that it was first discovered in India in river placers. It has long been credited with magical properties, and the largest famous crystals and products from them are shrouded in a halo of mystical legends.

Titration

A Procedure in which one solution is added to another solution until the chemical reaction between the two solutes is complete, the concentration of one solution is known and that of the other is unknown.

 

Proton

A subatomic particle having a mass of 1.0073 amu and a charge of +1, found in thew nuclei of atoms.

Fractional Distillation

The process in which a fractioning column is used in distillation apparatus to separate components of a liquid mixture that have different boiling points.

Mass Spectrometer

An instrument that measures the charge-to-mass ratio of charged particles.

Activity Series

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

Capillary

A tube having a very small inside diameter.

Intermolecular Forces

Forces between individual particles (atoms, molecules, ions) of a substance.