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The mass action expression under any set of conditions (not necessarily equlibrium), its magnitude relative to K determines the direction in which the reaction must occur to establish equilibrium.

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Natural Radioactivity

Spontaneous decomposition of an atom.

Alkyl Group

A group of atoms derived from an alkane by the removal of one hydrogen atom.

How is colored crystal made?

However, not everyone knows that in addition to the traditional transparent, there is still an unusually beautiful and spectacular colored crystal, which is obtained through the addition of various metal oxides into the glass. They give the crystal unusually noble shades of red, purple, blue, green and pink colors.

Amino Acid

Compound containing both an amino and a carboxylic acid group.The --NH2 group.

Explosive

A chemical or compound that causes a sudden, almost instantaneous release or pressure, gas, heat and light when subjected to sudden shock, pressure, high temperature or applied potential.

Single Bond

Covalent bond resulting from the sharing of two electrons (one pair) between two atoms.

Frequency

The number of repeating corresponding points on a wave that pass a given observation point per unit time.

Composition Stoichiometry

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

Turning iron nail into copper nail

This simple chemical experiment shows the so-called process of copper plating of metal products. Copper has the ability to deposit on a metal surface.

Carbanion

An organic ion carrying a negative charge on a carbon atom.