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

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Fractional Precipitation

Removal of some ions from solution by precipitation while leaving other ions with similar properties in solution.

Square Planar

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

xenon trioxide

A colorless, nonvolatile solid, XeO3, explosive when dry: in solution it is called xenic acid.

Standard Entropy

The absolute entropy of a substance in its standard state at 298 K.

Covalent Bond

Chemical bond formed by the sharing of one or more electron pairs between two atoms.

Ionic Compounds

Compounds containing predominantly ionic bonding.

Nitric Acid

HNO3: A strong acid, it is toxic and can cause severe burns. Transparent colorless or yellowish, fuming, suffocating, caustic and corrosive liquid. Nitric acid boiling point is 83C. A 70 percent solution is used in the S.S.E. laboratory for junction depth measurements. Nitric acid is also present in the metal etch solution used for the Aluminum etch procedure.

Chemistry is a familiar school subject

Everyone liked to observe the reaction of reagents. But few know interesting facts about chemistry, which we will discuss in this article.

Bonding Pair

Pair of electrons involved in a covalent bond.

Dissociation Constant

Equilibrium constant that applies to the dissociation of a comples ion into a simple ion and coordinating species (ligands).