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A vertical column in the periodic table, also called a family.

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Charle's Law

At constant pressure the volume occupied by a definite mass of gas is directly proportional to its absolute temperature.

Electron Configuration

Specific distribution of electrons in atomic orbitals of atoms or ions.

Biodegradability

The ability of a substance to be broken down into simpler substances by bacteria.

 

Quantum Numbers

Numbers that describe the energies of electrons in atoms, derived from quantum mechanical treatment.

Fat

Solid triester of glycerol and (mostly) saturated fatty acids.

Dynamic Equilibrium

An equilibrium in which processes occur continuously, with no net change. When two (or more) processes occur at the same rate so that no net change occurs.

Integrated Rate Equation

An equation giving the concentration of a reactant remaining after a specified time, has different mathematical form for different orders of reactants.

Daughter Nuclide

Nuclide that is produced in a nuclear decay.

 

Pauli Exclusion Principle

No two electrons in the same atom may have identical sets of four quantum numbers.

Cis-Trans Isomerism

A type of geometrical isomerism related to the angles between like ligands.