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A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

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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!

Fatty Acids

An aliphatic acid, many can obtained from animal fats.

Stoichiometry

Description of the quantitative relationships among elements and compounds as they undergo chemical changes.

Percent Composition

The mass percent of each element in a compound.

Semiconductor

A substance that does not conduct electricity at low temperatures but does so at higher temperatures.

Clay

A class of silicate and aluminosilicate minerals with sheet-like structures that have enormous surface areas that can absorb large amounts of water.

Standard Molar Enthalphy of Formation

The amount of heat absorbed in the formation of one mole of a substance in a specified state from its elements in their standard states.

Temperature

A measure of the intensity of heat, i.e. the hotness or coldness of a sample. or object.

Alkaline Earth Metals

Group IIA metals

Paramagnetism

Attraction toward a magnetic field, stronger than diamagnetism, but still weak compared to ferromagnetism.