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3 years ago

Why can pure metals conduct electricity?

Chemistry

2 answers:

Romashka-Z-Leto [24]3 years ago

7 0

Answer:

The structure and bonding of metals explains their properties:

They are electrical conductors because their delocalised electrons carry electrical charge through the metal.

They are good conductors of thermal energy because their delocalised electrons transfer energy.

They have high melting points and boiling points, because the metallic bonding in the giant structure of a metal is very strong - large amounts of energy are needed to overcome the metallic bonds in melting and boiling.

They are malleable, which means they can be bent and shaped easily. In pure metals, the atoms are arranged in neat layers, and when a force is applied to the metal (eg by being hit with a hammer), the layers of metal atoms can slide over each other, giving the metal a new shape.

MaRussiya [10]3 years ago

4 0

Answer:

they have delocolised electrons which can carry electrical charges through the metals.

Explanation:

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3 years ago

The density of NaCl( s) is 2.165 g cm 3 at 25 C. How will the solubility of NaCl in water be affected by an increase in pressure

sammy [17]

The solubility of NaCl in water will not be affected by an increase in pressure.

We know that the density of NaCl(s) in 2.165 g/cm³ at 25 °C and we want to know how will its solubility in water be affected when the pressure is increased.

<h3>What is solubility?</h3>

Solubility is the maximum mass of a solute that can be dissolved in 100 grams of solvent at a determined temperature.

The solubility of a solid, such as NaCl, in a liquid, is mainly affected by the temperature. However, since solids are not compressible, an increase in pressure will not affect its solubility.

On the other hand, the solubility of gases in water will increase with an increase in pressure, as stated by Henry's law.

The solubility of NaCl in water will not be affected by an increase in pressure.

Learn more about solubility here: brainly.com/question/11963573

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2 years ago

How does a higher heat capacity affect the amount of time it takes for an object’s temperature to change?

marshall27 [118]

An object with a high specific heat would change temperature more slowly than one with low specific heat. Water, for example has a very high specific heat so it requires a lot of energy to heat it up. It also takes a while for water to cool down because it holds that heat for a long time. <3

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3 years ago

How do metalloids affect modern technology?

Lady bird [3.3K]

examples of metalloids :
Boron,Silicon ,Germanium are some metalloids ...
what they do:
they are used to form the semiconductors and these semiconductors are used in modern computer technology like in circuits ,chips and computer based gadgets... :)

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3 years ago