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A packet of light or electromagnetic radiation, also called quantum of light.

 

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Net Ionic Equation

Equation that results from canceling spectator ions and eliminating brackets from a total ionic equation.

Liquid Aerosol

Colloidal suspension of liquid in gas.

Standard Entropy

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

Basic Anhydride

The oxide of a metal that reacts with water to form a base.

Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

Sigma Bonds

Bonds resulting from the head-on overlap of atomic orbitals, in which the region of electron sharing is along and (cylindrically) symmetrical to the imaginary line connecting the bonded atoms.

Flux

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

Vapor Pressure

The particle pressure of a vapor at the surface of its parent liquid.

Interesting facts about metals

Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.

Endothermic

Describes processes that absorb heat energy.