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Regular periodic variations of properties of elements with atomic number (and position in the periodic table).

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Frequency

The number of repeating corresponding points on a wave that pass a given observation point per unit time.

Periodicity

Regular periodic variations of properties of elements with atomic number (and position in the periodic table).

Raoult's Law

The vapor pressure of a solvent in an ideal solution decreases as its mole fraction decreases.

Daughter Nuclide

Nuclide that is produced in a nuclear decay.

 

Square Planar Complex

Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.

Period

The elements in a horizontal row of the periodic table.

Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

Electron

A subatomic particle having a mass of 0.00054858 amu and a charge of 1-.

Net Ionic Equation

Equation that results from canceling spectator ions and eliminating brackets from a total ionic equation.

Central Atom

An atom in a molecule or polyatomic ion that is bonded to more than one other atom.