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A very slightly soluble compound.

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Most Popular

Homologous Series

A series of compounds in which each member differs from the next by a specific number and kind of atoms.

Natural Radioactivity

Spontaneous decomposition of an atom.

Magnetic Quantum Number (mc)

Quantum mechanical solution to a wave equation that designates the particular orbital within a given set (s, p, d, f ) in which a electron resides.

Disproportionation Reactions

Redox reactions in which the oxidizing agent and the reducing agent are the same species.

Vapor

A gas formed by boiling or evaporating a liquid.

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EDF Chemical Scoreboard - Toxic Release Inventory data for the US. Sources and amounts of toxic chemicals released to air and water. Also has information on health effects and other topics.
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Shielding Effect

Electrons in filled sets of s , p orbitals between the nucleus and outer shell electrons shield the outer shell electrons somewhat from the effect of protons in the nucleus, also called screening effect.

Water Equivalent

The amount of water that would absorb the same amount of heat as the calorimeter per degree temperature increase.

Ampere

Unit of electrical current, one ampere equals one coulomb per second.

 

yield

The quantity of product formed by the interaction of two or more substances, generally expressed as a percentage of the quantity obtained to that theoretically obtainable.