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A highly reactive chemical species carrying no charge and having a single unpaired electron in an orbital.

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Bronsted-Lowry Acid

A proton donor.

Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.

 

S Orbital

A spherically symmetrical atomic orbital, one per energy level.

Periodic Law

The properties of the elements are periodic functions of their atomic numbers.

Percent Purity

The percent of a specified compound or element in an impure sample.

How to keep flowers in a vase for long time

The best gift for a woman, as you know, is a beautiful bouquet of flowers. But the cut flowers at home quite quickly wither. But your favorite roses or tulips can keep their freshness if you use our advice. Chemistry and various chemical elements will help us in this difficult matter!

Ionization Energy

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

Composition Stoichiometry

Descibes the quantitative (mass) relationships among elements in compounds.

Equilibrium Constant

A quantity that characterizes the position of equilibrium for a reversible reaction, its magnitude is equal to the mass action expression at equilibrium. K varies with temperature.

Ore

A natural deposit containing a mineral of an element to be extracted.