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A ternary compound containing H, O, and another element, often a nonmetal.

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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.

Flammable

A liquid as defined by NFPD and DOT as having a flash point below 37.8°C (100°F).

Third Law of Thermodynamics

The entropy of a hypothetical pure, perfect, crystalline sustance at absolute zero temperature is zero.

Formula Weight

The mass of one formula unit of a substance in atomic mass units.

 

Ore

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

Band

A series of very closely spaced, nearly continuous molecular orbitals that belong to the crystal as a whole.

DP number

The degree of polymerization, the average number of monomer units per polymer unit.

Viscosity

Resistance offered by the molecules of a liquid to flow is termed as viscosity.

Ketone

Compound in which a carbonyl group is bound to two alkyl or two aryl groups, or to one alkyl and one aryl group.

Temperature

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