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

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Composition Stoichiometry

Descibes the quantitative (mass) relationships among elements in compounds.

Basic Anhydride

The oxide of a metal that reacts with water to form a base.

Native State

Refers to the occurrence of an element in an uncombined or free state in nature.

 

Ionic Compounds

Compounds containing predominantly ionic bonding.

Flash Point

The temperature at which a liquid will yield enough flamable vapour to ignite. There are various recognized industrial testing methods, therefore the method used must be stated.

Copper

Discovered : known to ancient civilisations
Origin : The name is derived from 'Cuprum', the Latin name for Cyprus.

Basic Salt

A salt containing an ionizable OH group.

Saccharide

An organic compound containing a sugar or sugars.

Henry's Law

The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.

Molecular Orbital

An orbit resulting from overlap and mixing of atomic orbitals on different atoms. An MO belongs to the molecule as a whole.