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Face-centered cubic metal lattice

Face-centered cubic metal lattice

The face-centered cubic metal lattice allows the closest fit of metal atoms.

Chemistry

Keywords

face-centered cubic metal lattice, face-centred, metal lattice, metallic bonding, elementary cell, lattice structure, coordination number, metals, gold, silver, copper, aluminum, calcium, machinability, lead, platinum, general chemistry, chemistry

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Face-centered cubic metal lattice

Properties

A solid set of metal atomic cores bound by metallic bonds is called a metallic lattice. Metal atomic cores are held together by freely moving delocalized electrons. Except for mercury, metals are solid; they conduct electricity and heat well. The machinability of metals depends on the type of crystal structure they contain.

One of the closest packed lattices is the face-centered cubic lattice. Its coordination number is 12: each atom is surrounded by 12 adjacent atoms at equal distances. The atoms that coordinate the central atom are located in three planes.

Metals that crystallize in a face-centered cubic lattice are the easiest to process. Metals with this sort of lattice include calcium, strontium, aluminium, copper, lead, gold and platinum.

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Body-centered cubic lattice

The least tightly packed crystal structure.

Hexagonal metallic lattice

Metals forming hexagonal metallic lattices are rigid and difficult to machine.

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Metal atoms form a regular lattice structure.

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Aluminium smelting is the process of extracting aluminium from alumina by electrolysis.

Diamond

Crystalline allotrope of elemental carbon, the hardest known natural substance.

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Raw iron is produced from iron ore in iron smelters.

Fullerene (C₆₀)

A crystalline allotrope of carbon which was discovered at the end of the 1980s.

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One of the crystalline allotropes of elemental carbon.

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Common salt (or table salt) is one of the most important sodium compounds, indispensable for living organisms.

Thermal expansion of bridges

The length of the metal frameworks of bridges change when the temperature changes.

Eiffel Tower (Paris, 1889)

The iron lattice tower, erected for the 1889 World Fair, became the symbol of the capital city of France.

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The relationship between the pressure, volume and temperature of ideal gases is described by the gas laws.

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