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Metals, Non-Metals & Metalloids Video Lecture | Chemistry Class 11 - NEET

195 videos|337 docs|190 tests

FAQs on Metals, Non-Metals & Metalloids Video Lecture - Chemistry Class 11 - NEET

1. What are metals, non-metals, and metalloids?
Ans. Metals, non-metals, and metalloids are three categories of elements based on their physical and chemical properties. Metals are typically shiny, malleable, and good conductors of heat and electricity. Non-metals, on the other hand, are generally dull, brittle, and poor conductors of heat and electricity. Metalloids, also known as semi-metals, exhibit properties between metals and non-metals.
2. How can we differentiate between metals and non-metals?
Ans. Metals and non-metals can be differentiated based on several characteristics. Metals tend to have a lustrous appearance, while non-metals are often dull. Metals are good conductors of heat and electricity, while non-metals are poor conductors. Metals are generally solid at room temperature, while non-metals can exist in various states (solid, liquid, or gas). Additionally, metals are malleable and ductile, whereas non-metals are brittle.
3. What are some examples of metals, non-metals, and metalloids?
Ans. Some examples of metals include copper, iron, gold, and aluminum. Non-metals include elements like oxygen, sulfur, carbon, and nitrogen. Metalloids include elements such as silicon, arsenic, germanium, and antimony. These elements represent the diverse range of properties exhibited by metals, non-metals, and metalloids.
4. How do metalloids differ from metals and non-metals?
Ans. Metalloids, or semi-metals, possess properties that lie between metals and non-metals. They exhibit characteristics of both categories. For example, metalloids can be shiny or dull, can conduct heat and electricity to a certain extent, and can be both brittle and malleable. This intermediate nature makes metalloids special and useful in various applications, such as in the production of semiconductors.
5. What are the uses of metals, non-metals, and metalloids?
Ans. Metals have a wide range of uses, including construction materials, electrical wiring, and manufacturing of vehicles and machinery. Non-metals find applications in areas such as air purification, fertilizers, and the production of plastics and rubber. Metalloids, being semiconductors, are crucial in the electronics industry for making computer chips and other electronic components.
195 videos|337 docs|190 tests

Timeline

00:04 Metals, Nonmetals & Metalloids
00:29 Properties of Metals
02:13 Properties of Metalloids
02:42 Properties of Nonmetals
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