Class 9 > Crash Course: Class 9 > Fun Video: Elements and Compounds
Fun Video: Elements and Compounds Video Lecture - Crash Course: Class 9
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FAQs on Fun Video: Elements and Compounds Video Lecture - Crash Course: Class 9
| 1. What are elements and compounds? |  |
Ans. Elements are substances that cannot be broken down into simpler substances by chemical means. Compounds, on the other hand, are substances made up of two or more different elements chemically combined.
| 2. What is the difference between an element and a compound? | |
Ans. The main difference between an element and a compound is that an element consists of only one type of atom, whereas a compound is made up of two or more different types of atoms chemically bonded together.
| 3. Can elements and compounds be found naturally? | |
Ans. Yes, both elements and compounds can be found naturally. Elements can exist in their pure form, such as gold or oxygen, while compounds can be found in various forms, such as water (H2O) or carbon dioxide (CO2).
| 4. How are elements and compounds represented in chemical formulas? | |
Ans. Elements are represented by their chemical symbols, which are one or two-letter abbreviations. Compounds are represented by chemical formulas, which consist of the chemical symbols of the elements present in the compound and subscript numbers indicating the ratio of each element.
| 5. Are elements and compounds related to the periodic table of elements? | |
Ans. Yes, elements are directly related to the periodic table of elements. The periodic table organizes all known elements based on their atomic number and chemical properties. Compounds, on the other hand, are formed by the combination of different elements from the periodic table.
About this Video
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Dr Manju Sen |
Video Description: Fun Video: Elements and Compounds for Class 9 2023 is part of Crash Course: Class 9 preparation.
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