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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.

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Salt Bridge

A U-shaped tube containing electrolyte, which connects two half-cells of a voltaic cell.

Atom

The smallest particle of an element.

Crystal Field Theory

Theory of bonding in transition metal complexes in which ligands and metal ions are treated as point charges, a purely ionic model, ligand point charges represent the crystal (electrical) field perturbing the metal?s d orbitals containing nonbonding electrons.

Dry Cells

Ordinary batteries (voltaic cells) for flashlights. radios, and so on, many are Leclanche cells.

Alkaline Earth Metals

Group IIA metals

Alpha (a) Particle

Helium ion with 2+ charge, an assembly of two protons and two neutrons.

Isomorphous

Refers to crystals having the same atomic arrangement.

Combustible

Classification of liquid substances that will burn on the basis of flash points. A combustible liquid means any liquid having a flash point at or above 37.8°C (100°F) but below 93.3°C (200°F), except any mixture having components with flash points of 93.3°C (200°F) or higher, the total of which makes up 99 percent or more of the total volume of the mixture.

Distilland

The material in a distillation apparatus that is to be distilled.

Polyene

A compound that contains more than one double bond per molecule.