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NEET Exam > Chemistry Class 11 > Flashcard: p-block Elements
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129 videos|233 docs|88 tests
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FAQs on Flashcard: p-block Elements Video Lecture - Chemistry Class 11 - NEET
| 1. What are p-block elements? |  |
Ans. P-block elements are a group of elements in the periodic table that have their outermost electron in the p orbital. These elements belong to groups 13 to 18 and are located on the right side of the periodic table.
| 2. How many p-block elements are there in the periodic table? | |
Ans. There are a total of 32 p-block elements in the periodic table. These elements are distributed across six periods, starting from the 2nd period to the 7th period.
| 3. What are the properties of p-block elements? | |
Ans. P-block elements exhibit a wide range of properties. They can be metals, metalloids, or nonmetals. These elements have varying atomic sizes, ionization energies, electronegativities, and melting points. They also show diverse chemical reactivity and can form various types of compounds.
| 4. Give some examples of p-block elements and their uses. | |
Ans. Some examples of p-block elements include carbon, nitrogen, oxygen, phosphorus, sulfur, and chlorine. Carbon is essential for organic compounds, nitrogen is crucial for protein synthesis, oxygen is necessary for respiration, phosphorus is important for DNA and energy storage, sulfur is used in the production of sulfuric acid, and chlorine is employed as a disinfectant.
| 5. How do p-block elements contribute to the environment? | |
Ans. P-block elements play a crucial role in environmental processes. For example, they are involved in the carbon cycle through the presence of carbon dioxide in the atmosphere. Nitrogen compounds are essential for plant growth, while sulfur compounds contribute to the formation of acid rain. Understanding the behavior of p-block elements helps in managing and mitigating environmental issues.
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