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The process by which solvent molecules surround and interact with solute ions or molecules.

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Condensation

Liquefaction of vapor.

The most expensive metal in the world

Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.

Octane Number

A number that indicates how smoothly a gasoline burns.

Band Theory of Metals

Theory that accounts for the bonding and properties of metallic solids.

Primary Standard

A substance of a known high degree of purity that undergoes one invariable reaction with the other reactant of interest.

Film badge

A small patch of photographic film worn on clothing to detect and measure accumulated incident ionizing radiation.

Transition State Theory

Theory of reaction rates that states that reactants pass through high-energy transition states before forming products.

Insulator

Poor electric and heat conductor.

Gamma Ray

High energy electromagnetic radiation. A highly penetrating type of nuclear radiation similar to x-ray radiation, except that it comes from within the nucleus of an atom and has a higher energy. Energywise, very similar to cosmic ray except that cosmic rays originate from outer space.

Particulate Matter

Fine divided solid particles suspended in polluted air.