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Question

4.Which of the following element is a metalloid?


A

Sodium

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B

Sulfur

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C

Silicon

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D

Silver

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Solution

The correct option is C

Silicon


Metalloid: An element that has properties similar to both metals and non-metals, is known as a metalloid.

  • The most common metalloids are Boron, Silicon, Germanium, Arsenic, Antimony, and Tellurium.

Explanation for the correct option:
c) Silicon possesses some of its properties similar to metals and some of its properties are similar to non-metals. Hence, it is classified as a metalloid.

Explanation for the incorrect options:

a) Sodium is a metal that possesses metallic properties such as ductility, malleability, and lustrous.

b) Sulphur is a non-metal

d) Silver is a soft, white, lustrous precious metal.

Therefore, option (c) is correct.


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