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CBSE Notes for Class 10 Science chapter 3. Metals and Non-metals: Physical properties of metals and non-metals, quick revision notes for Class 10 Science chapter 3. Metals and Non-metals Physical properties of metals and non-metals, Chapter-wise CBSE Revision Notes, CBSE Notes PDF Free Download, CBSE One Liner Notes Class 10, Half Yearly Revision Notes, CBSE Revision Notes Class 10 Science
Get CBSE Notes for Class 10 Science Chapter 3. Metals and Non-metals: Physical properties of metals and non-metals prepared by experts as per the latest NCERT syllabus and CBSE exam pattern. These concise and easy-to-understand notes cover important definitions, formulas, diagrams, and key concepts from the chapter to help students in quick revision and effective exam preparation. Whether you are studying for school tests, board exams, or competitive exams, these notes provide a reliable study resource. Designed in simple language with point-wise explanations, they save time and enhance learning efficiency. Download free PDF notes, explore solved examples, and strengthen your understanding of [Topic Name] for scoring high marks. Perfect for Class 10 students who want clear, structured, and exam-oriented notes for CBSE Science.
Metals:
Physical properties of metals:
(i) Metals are solid and shiny.
(ii) They conduct heat and electricity.
(iii) Metals are ductile.
(iv) Metals are meliable.
(v) Metals are sonorous.
Meliability: some metals can be beaten into thin sheets. This property is called malleability.
Ductility: The ability of metals to be drawn into thin wires is called ductility.
All metals have hight melting point. The best conductors of heat are silver and
copper. Lead and mercury are comparatively poor conductors of heat.
The full name of PVC : polyvinylchloride (PVC)
PVC and rubber like materials are bad conductor of heat and electricity.
Sonorous: Sonorous is a physical property of metals. By this property they produce sound on striking. Using this property of metals, school bells is made.
carbon, sulpher, oxygen, iodine and hydrogen are non-metals.
Physical property of Non-metals:
(i) Non-metals are not solid and shiny.
(ii) They are not good conductor of heat and electricity.
(iii) Non-metals are not ductile.
(iv) Non-metals are not melleable.
(v) Non-metals do not produce sound on striking.
The non-metals are either solids or gases except bromine which is a liquid.
Some other properties of metals nd non-metals:
(i) All metals except mercury exist as solids at room temperature.
(ii) Mercury is found in liquid form at room temperature.
(iii) Gallium and caesium have very low melting points. These two metals will melt if you keep them on your palm.
(iv) Iodine is a non-metal but it is lustrous (shiny).
(v) Alkali metals (lithium, sodium, potassium) are so soft that they can be cut with a knife. They have low densities and low melting points.
Carbon And its Allotrope:
Carbon is a non-metal that can exist in different forms. Each form is called an allotrope.
Allotropes of carbon:
(i) Daimond
(ii) Graphite
(iii) Buckminsterfullerene
(i) Diamond, an allotrope of carbon, is the hardest natural substance known and has a very high melting and boiling point.
(ii) Graphite, another allotrope of carbon, is a conductor of electricity.
Note: Most non-metals produce acidic oxides when dissolve in water. While metals produce basic oxides when dissolve in water.
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Ace your exams with CBSE Notes for Class 10 Science chapter 3. Metals and Non-metals: Physical properties of metals and non-metals. These notes provide a clear explanation of important concepts, formulas, diagrams, and solved examples from the NCERT syllabus. Specially designed for Class 10 students, the notes are structured in a simple, point-wise manner to make revision quick and effective. Whether you are preparing for school tests, board exams, or competitive exams, these Science notes will boost your confidence and save valuable study time. You can also download Science class 10 chapter 3. Metals and Non-metals free PDF notes for offline learning. With easy-to-grasp language, exam tips, and well-organized content, these CBSE Science notes on chapter 3. Metals and Non-metals – Physical properties of metals and non-metals are the perfect study companion for scoring high marks and mastering the subject.
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