Question

What are metalloids? Name some metalloids. What are the uses of metalloids?

Answer 1

Metalloids-

• They are also known as semi metals.
• They are a group of metals that lie between metals and non-metals.
• They form alloys with metal.
• They are solid at room temperature.
• They show the properties of metals and non-metals.

Name of metalloids:

• Boron
• Silicon
• Germanium
• Arsenic
• Antimony
• Selenium
• Tellurium

Uses of metalloids-

• Arsenic -It is poisonous and its compounds are used to manufacture glass.
• Silicon-It is a widely used metalloid, especially in solar energy, electronic chips and non-stick cookware.
• Germanium- It is used as a semiconductor and forms alloy.
• Antimony- It is used in firecrackers and in making bullets.