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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.

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Explosive limits

The range of concentrations over which a flammable vapour mixed with proper ratios of air will ignite or explode if a source of ignitions is provided.

Chemical Kinetics

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

Neutron

A neutral subatomic particle having a mass of 1.0087 amu.

Anode

In a cathode ray tube, the positive electrode. Electrode at which oxidation occurs.

Amine Complexes

Complex species that contain ammonia molecules bonded to metal ions.

Half-Cell

Compartment in which the oxidation or reduction half-reaction occurs in a voltaic cell.

Polymer

A large molecule consisting of chains or rings of linked monomer units, usually characterized by high melting and boiling points.

Group

A vertical column in the periodic table, also called a family.

Periodicity

Regular periodic variations of properties of elements with atomic number (and position in the periodic table).

Alkenes (Olefins)

Unsaturated hydrocarbons that contain one or more carbon-carbon double bonds.