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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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Formula

Combination of symbols that indicates the chemical composition of a substance.

 

Nuclear Fission

The process in which a heavy nucleus splits into nuclei of intermediate masses and one or more protons are emitted.

Coordination Number

In describing crystals, the number of nearest neighbours of an atom or ion. The number of donor atoms coordinated to a metal.

Activity of a component of ideal mixture

A dimensionless quantity whose magnitude is: equal to molar concentration in an ideal solution, equal to partial pressure in an ideal gas mixture, and defined as 1 for pure solids or liquids.

Electrolysis

Process that occurs in electrolytic cells.

Levorotatory

Refers to an optically active substance that rotates the plane of plane polarized light counterclockwise, also called levo.

Binary Compound

A compound consisting of two elements, may be ionic or covalent.

Natural Radioactivity

Spontaneous decomposition of an atom.

Carcinogen

A substance capable of causing or producing cancer in mammals.

 

Mechanism

The sequence of steps by which reactants are converted into products.