Строение обозначает способ расположения атомов металла относительно геометрической формы в твердых кристаллах, а также регулярное или упорядоченное расположение различных видов атомов металла и их отношение друг к другу в таком кристалле.

Constitution denotes the manner of arrangement of the metal atoms as to geometric form in solid crystals, and the regular or or¬dered arrangement of different kinds of metal atoms and their relation to each other in such a crystal.

Образование кристаллов металла в расплаве начинается на каждой охлаждающей поверхности жидкой массы и распространяется от внешней поверхности к внутренней по мере потери тепла из массы.

The formation of metal crystals within a melt begins at each cooling surface of the liquid mass and extends from the exterior to the interior as heat is lost from the mass.

Точки плавления и кипения. Температура, при которой плавится металл, называется точкой плавления, металлы с более низкой температурой плавления обычно являются мягкими металлами, а металлы с высокой температурой плавления - твердыми металлами.

Melting and Boiling Points. - The temperature at which a metal melts, is called the melting point, the metals of lower melting points are generally the soft metals and those of high melting the hard metals.

Электропроводность вещества

The electrical conductivity of a substance is the electrical conducting power of a unit length per unit of cross-sectional area.

Теплопроводность измеряется как теплопроводящая способность единицы длины или толщины вещества на единицу площади поперечного сечения.

Heat conductivity is measured as the heat conducting ability of a unit length or thickness of a substance per unit of cross-sectional area.

Магнетизм измеряется как магнитная сила, действующая на единицу объема вещества при стандартной силе намагничивания.

Magnetism is measured as the magnetic force exerted by a unit volume of a substance under standard magnetizing force.

What is porosity and density?

Porosity is the quality of containing pores, indicating a lack of denseness. Density denotes weight per unit of volume.

Большинство металлов серебристо-белого или серого цвета. Медь - единственный красный металл, а золото - единственный желтый, хотя ряд сплавов на основе меди также желтого цвета.

Most of the metals are silvery white or grey in colour. Copper is the only red metal, and gold the only yellow one, although a number of copper-base alloys are also yellow.

Все твердые металлы имеют металлический блеск, хотя истинный цвет и блеск многих металлов часто затемняются оксидным покрытием, которое может быть белым, серым, красным, коричневым, голубоватым или черным.

All solid metals have metallic lustre, although the true colour and lustre of many metals are often obscured by a coating of oxide — which may be white, grey, red, brown, bluish, or black.

Name the main physical properties of metals and alloys.

Melting and Boiling Points, Electrical Conductivity, Heat Conductivity, Magnetism, Density and Porosity, Colour

union of atoms into a geometric array

объединение атомов в геометрическом порядке

Metals and Nonmetals Flashcard Flashcards

Student preview

50 questions

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1.

FLASHCARD QUESTION

Front

What is the most important metal mentioned in the text?

Back

Iron

2.

FLASHCARD QUESTION

Front

Which property describes a metal's ability to be permanently deformed in tension?

Back

Ductility

3.

FLASHCARD QUESTION

Front

Capacity of a metal to be permanently deformed by compression

Back

Malleability

4.

FLASHCARD QUESTION

Front

Which of the following is NOT a property of metals? Conductivity, Ductility, Brittleness, Malleability

Back

Brittleness

5.

FLASHCARD QUESTION

Front

What is the primary reason metals are used in industry?

Back

Their high conductivity

6.

FLASHCARD QUESTION

Front

Which metals are classified as precious metals?

Back

Silver and Gold

7.

FLASHCARD QUESTION

Front

What is the effect of higher temperatures on the properties of metals?

Back

They increase

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