Chemistry

Matter in Our Surroundings


2. Non-Metals are Not Ductile.


This means that non-metals cannot be drawn into wires. They are easily snapped on stretching. For example, sulphur and phosphorus are non-metals and they are not ductile. When stretched, sulphur and phosphorus break into pieces and do not form wires. Thus, we cannot get wires from non-metals. From the above discussion we conclude that: Non-metals are neither malleable nor ductile. Non-metals are brittle.

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Notes


Matter in Our Surroundings - Notes
1. 9. Non-Metals Have Low Densities.
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2. 7. Metals are Solids at the Room Temperature
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3. Properties of Metals
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4. 2. Metals are Ductile.
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5. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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6. Concentration of a Solution
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7. 3. Separation by a Magnet
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8. 11. Non-Metals Have Many Different Colours.
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9. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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10. The Case of Solutions
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11. 5. Non-Metals are Generally Soft
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12. Elements
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13. Non-Metals
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14. Impure Substances: Mixtures
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15. 8. Metals Generally Have High Melting Points and Boiling Points.
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16. Is Matter Around Us Pure
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17. 1. Metals are Malleable.
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18. 2. Separation by Centrifugation
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19. 8. Non-Metals Have Comparatively Low Melting Points and Boiling Points
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20. Types of Solutions
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21. Physical And Chemical Changes
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22. 6. Separation by Distillation
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23. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.
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24. To Study the Properties of a Suspension
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25. Effect of Temperature and Pressure on Solubility
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26. Chemical Formula for daily use material
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27. Pure Substances : Elements and Compounds
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28. Properties of a Suspension
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29. Separation of Scrap Iron
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30. Supply of Drinking Water in a City
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31. Solutions
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32. 1. Separation by a Suitable Solvent
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33. Solutions, Suspensions And Colloids
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34. properties of a Solution
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35. Colloids
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36. 4. Non-Metals are Not Lustrous (Not Shiny). They are Dull in Appearance.
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37. Mixtures
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38. 3. Metals are Good Conductors of Heat and Electricity.
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39. Properties of Non-Metals
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40. Suspensions
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41. 5. Separation by Chromatography
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42. Metals, Non-Metals and Metalloids
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43. 10. Metals are Sonorous.
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44. To Separate the Salt-Water Mixture (or Salt-Solution)
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45. Metals
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46. 2. Non-Metals are Not Ductile.
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47. Comparison Among the Properties of Metals and Non-Metals
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48. Compounds
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49. Differences Between Mixtures and Compounds
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50. The Case of Alloys
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