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Two or more forms of atoms of the same element with different masses, atoms containing the same number of protons but different numbers of neutrons.

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All Chemicals - Chemical Glossary

The Chemical Glossary currently has 651 chemical entries. You may search the Chemical Glossary by entering the keyword in the search box or by browsing the entire chemical glossary by letter in alphabetical order.

Flammable

A liquid as defined by NFPD and DOT as having a flash point below 37.8°C (100°F).

Metal

An element below and to the left of the stepwise division (metalloids) in the upper right corner of the periodic table, about 80% of the known elements are metals.

Reaction Ratio

The relative amounts of reactants and products involved in a reaction, maybe the ratio of moles. millimoles, or masses.

 

Detergent

A soap-like emulsifer that contains a sulfate, SO3 or a phosphate group instead of a carboxylate group.

Optical Activity

The rotation of plane polarized light by one of a pair of optical isomers.

 

Ionization Constant

Equilibrium constant for the ionization of a weak electrolyte.

Exothermicity

The release of heat by a system as a process occurs.

Emulsifying Agent

A sustance that coats the particles of the dispersed phase and prevents coagulation of colloidal particles, an emulsifier.

Molarity

Number of moles of solute per litre of solution.