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NEET Exam > Chemistry Class 11 > Flashcard: f-block Elements
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129 videos|233 docs|88 tests
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FAQs on Flashcard: f-block Elements Video Lecture - Chemistry Class 11 - NEET
| 1. What are f-block elements? |  |
Ans. F-block elements are a group of elements that belong to the f-block of the periodic table. They are also known as inner transition metals and are located at the bottom of the periodic table. These elements include the lanthanides and actinides series, which are characterized by the filling of f-orbitals.
| 2. How are f-block elements different from other elements? | |
Ans. One major difference between f-block elements and other elements is the way their electrons are filled in the atomic orbitals. F-block elements have their valence electrons filled in the f-orbitals, while other elements have their valence electrons filled in s, p, or d orbitals. Additionally, f-block elements have unique properties due to their inner transition metal nature.
| 3. What are some common properties of f-block elements? | |
Ans. F-block elements share some common properties such as high melting and boiling points, high density, and the ability to form colored compounds. They are also typically highly reactive and can exhibit multiple oxidation states. Additionally, many f-block elements are radioactive and have unique magnetic properties.
| 4. How do lanthanides differ from actinides? | |
Ans. Lanthanides and actinides are two series of f-block elements. The main difference between them is the filling of their electron shells. Lanthanides have their 4f orbitals filled, while actinides have their 5f orbitals filled. This difference in electron configuration leads to variations in their chemical and physical properties.
| 5. What are some applications of f-block elements? | |
Ans. F-block elements find various applications in different fields. Some lanthanides are used in the production of magnets, lasers, and lighting materials. Actinides, particularly uranium and plutonium, are used as fuel in nuclear reactors. F-block elements also play a crucial role in catalysis, medicine, and environmental science.
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