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Band Theory and Types of Solids

Metals are go...

Question

Metals are good conductors of electricity because

A

They are malleable and ductile

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B

They are very dense solids

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C

They are held by strong forces

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D

They have mobile electrons

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Solution

The correct option is D
They have mobile electrons

If we see the structure of metal, it consists of positively charged ions surrounded by sea of mobile electrons.

These mobile electrons help in conducting electricity.

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Similar questions

Q. Which of the following is true for all metals?
(a) They are hard solids.
(b) They have high melting and boiling points.
(c) They have 1−3 valence electrons.
(d) They are malleable and ductile.

Q. Which of the following statements are usually correct for carbon compounds?

(i) They are good conductors of electricity.

(ii) They are poor conductors of electricity.

(iii) They have strong forces of attraction between their molecules.

(iv) They do not have strong forces of attraction between their molecules.

Q. Metals are good conductors of electricity because they have:

Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.

The allotropic form of a non-metal, which is a good conductor of electricity is:

Q. Which one of the following is not true of metals:
(a) Metals are good conductors of electricity.
(b) Metals are malleable and ductile.
(c) Metals form non-polar covalent compounds.
(d) Metal will have 1 or 2 or 3 electrons in their valence shell.

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