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A ternary compound containing H, O, and another element, often a nonmetal.

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History of fireworks

There is an assumption that the history of fireworks started in China, about 2000 years ago. It is possible that the Chinese accidentally discovered explosions by burning bamboo canes.

Aryl Group

Group of atoms remaining after a hydrogen atom is removed from the aromatic system.

Periodic Law

The properties of the elements are periodic functions of their atomic numbers.

Hydrolysis Constant

An equilibrium constant for a hydrolysis reaction.

Stoichiometry

Description of the quantitative relationships among elements and compounds as they undergo chemical changes.

Law of Conservation of Matter

There is no detectable change in the quantity of matter during an ordinary chemical reaction.

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Atomic Number


Integral number of protons in the nucleus, defines the identity of element.
 

Disproportionation Reactions

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

Foam

Colloidal suspension of a gas in a liquid.