7. Metals are Solids at the Room Temperature
(except mercury which is a liquid metal). All the metals like iron, copper, aluminium,silver and gold, etc., are solids at the room temperature. Only one metal, mercury, is in liquid state at the room temperature.
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Matter in Our Surroundings - Notes
3. 7. Metals are Solids at the Room Temperature
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4. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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7. 11. Non-Metals Have Many Different Colours.
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10. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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17. 8. Non-Metals Have Comparatively Low Melting Points and Boiling Points
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18. 8. Metals Generally Have High Melting Points and Boiling Points.
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23. To Study the Properties of a Suspension
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25. Pure Substances : Elements and Compounds
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28. Effect of Temperature and Pressure on Solubility
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29. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.
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33. To Study the Properties of a Solution
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35. To Separate the Salt-Water Mixture (or Salt-Solution)
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36. 1. Separation by Fractional Distillation
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37. Chemical Formula for daily use material
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38. 4. Non-Metals are Not Lustrous (Not Shiny). They are Dull in Appearance.
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40. Solutions, Suspensions And Colloids
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42. 1. Separation by a Suitable Solvent
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44. Separation Of Mixture Of a Solid And a Liquids
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45. 2. Separation by a Separating Funnel
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49. 11. Metals Usually Have a Silver or Grey Colour
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50. Comparison Among the Properties of Metals and Non-Metals
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