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A very slightly soluble compound.

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Ground State

The lowest energy state or most stable state of an atom, molecule or ion.

Hybridization

Mixing a set of atomic orbitals to form a new set of atomic orbitals with the same total electron capacity and with properties and energies intermediate between those of the original unhybridized orbitals.

Barometer

A device for measuring pressure.

Heat

A form of energy that flows between two samples of matter because of their differences in temperature.

Group

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

Denatured

A commercial term used to describe ethanol that has been rendered unfit for human consumption because of the addition of harmful ingredients to make it sales tax-expempt.

 

Endothermicity

The absorption of heat by a system as the process occurs.

Ionization Energy

The minimum amount of energy required to remove the most loosely held electron of an isolated gaseous atom or ion.

Valence Bond Theory

Assumes that covalent bonds are formed when atomic orbitals on different atoms overlap and the electrons are shared.

Tetrahedral

A term used to describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron.