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Vladimir79 [104]
3 years ago
12

Which properties make a metal a good material to use for electrical wires? malleability and reactivity conductivity and ductilit

y ductility and malleability reactivity and conductivity
Chemistry
2 answers:
Makovka662 [10]3 years ago
6 0

Answer:

conductivity and ductility

Explanation:

Metals are connected by crystalline lattices, each atom being surrounded by 8 or 12 other atoms of the same metal element, thus having equal attractions in all directions. In addition, since metal atoms have only 1, 2, or 3 electrons in the last electron layer (and this layer is usually well away from the nucleus, and therefore attracts little electrons); The result is that the electrons escape easily and move freely through the lattice.

This lattice structure and chemical bonding result in a number of properties that are characteristic of metal atoms. Two strong characteristics of metals are the conductivity and ductility that make metals great materials for the production of electrical wires.

  • Conductivity: Metals are great conductors of electricity and, because of this property, are widely used in electrical wires. This property is explained by the fact that since metals have a "sea" of free or delocalized electrons, these electrons allow the rapid transition of electricity through the metal. When subjected to an external voltage, these free electrons go to the positive pole of the external source. This movement of electrons is what we call electric current.
  • Ductility and Meability: Malleability is the ability to shape metals into thin blades by hammering the heated metal or passing it through rolling cylinders; and ductility is the transformation of wires by passing the metal through holes under heating. These two properties result from the fact that metal atoms can "slip" over each other.
Schach [20]3 years ago
3 0
The metal properties that make up electrical wires are conductivity and ductility. Conductivity is important for free electrons to flow, hence electricity. Ductility is as well integral for strips to be formed, but with ample strength that does not break the material.
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Is there a difference between a homogeneous mixture of hydrogen and oxygen in a 2:1 ratio and a sample of water vapor?
Feliz [49]

Answer:

Yes

Explanation:

There is a difference between the homogeneous mixture of the hydrogen and the oxygen in a 2:1 ratio and the sample of the water vapor.

In the homogeneous mixture of the hydrogen and the oxygen which are present in the ratio, 2:1 , the elements are not chemically combined. They are explosive also as both shows their specific properties. They can be separated by physical means (Condensation, diffusion).

On the other hand, in water vapor, the two elements are chemically bonded in a specific mixture which cannot be separated via physical means. Water has its unique properties and they can be separated by chemical means only.

5 0
3 years ago
How many electrons would Lithium with a -1 charge have?
Helen [10]

Answer:

lithium=atomic no.=3

Explanation:

-1 charge on lithium means one electron has added to it .Thus,

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3 0
3 years ago
What did alexander fleming discover that earned him the 1945 novel prize of medicine?
Leviafan [203]
He discovered penicillin
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3 years ago
The laws of electrostatics predict that protons will
GaryK [48]
The laws of the electrostatics were developed by Coulomb and are further detailed or subdivided into two as follows:

(1) The first one talks about the similarities in the charges of the particles and what happens to them. This states that like charges repel.

(2) The second one quantifies the field between two particles with equation showing that field is directly proportional to the masses and inversely to the square of the distance between them.

In this item, we can then say that the protons (having the same charges) will have to repel from each other in accordance to statement 1 of the law. 

3 0
3 years ago
Predict whether the equilibria I) CH4(g) + H2O(g) ⇀↽ CO(g) + 3 H2(g), ∆H◦ = +206 kJ II) 2 SO2(g) + O2 ⇀↽ 2 SO3(g), ∆H◦ = −198 kJ
Dima020 [189]

Answer:

(1) I shifts toward product and II shifts toward reactant.

Explanation:

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Increasing the temperature of an exothermic reaction (∆H is negative) shifts the equilibrium position to the left thus favoring the backward reaction.

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