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The geometric arrangement of orbitals containing the shared and unshared electron pairs surrounding the central atom of a molecule or polyatomic ion.

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Suspension

A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction.

Henry's Law

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

Dipole-dipole Interactions

Attractive interactions between polar molecules, that is, between molecules with permanent dipoles.

Acid Anhydride

Compound produced by dehydration of a carbonic acid. General formula is R--C--O--C--R. Chemical compound that reacts with water to form an acid and are usually oxides of nonmetallic elements.

Basic Salt

A salt containing an ionizable OH group.

Law of Conservation of Matter

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

Colloid

A heterogeneous mixture in which solute-like particles do not settle out.

Nonpolar Bond

Covalent bond in which electron density is symmetrically distributed.

Metallic Bonding

Bonding within metals due to the electrical attraction of positively charges metal ions for mobile electrons that belong to the crystal as a whole.

Yellowcake

The solid form of mixed uranium oxide, which is produced from uranium ore in the uranium recovery (milling) process.