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A molecular orbit lower in energy than any of the atomic orbitals from which it is derived, lends stability to a molecule or ion when populated with electron.

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Polydentate

Refers to ligands with more than one donor atom.

Periodic Table of Elements

An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.

Formula Unit

The smallest repeating unit of a substance. The molecule for nonionic substances

Copper

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

Law of Conservation of Matter

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

Homogeneous Mixture

A mixture which has uniform composition and properties throughout.

Crystal Lattice Energy

Amount of energy that holds a crystal together, the energy change when a mole of solid is formed from its constituent molecules or ions (for ionic compounds) in their gaseous state.

Radioactive Tracer

A small amount of radioisotope replacing a nonradioactive isotope of the element in a compound whose path (for example, in the body) or whose decomposition products are to be monitored by detection of radioctivity, also called a radioactive label.

Phenol

Hydrocarbon derivative containing an [OH] group bound to an aromatic raing.

 

Boiling Point

The temperature at which the vapor pressure of a liquid is equal to the applied pressure, also the condensation point