Metals, Non-Metals and Metalloids
On the basis of their properties, all the elements can be divided into three groups:
1.Metals,
2.Non-metals, and
3.Metalloids
We will now discuss these three groups of elements in somewhat detail, one by one. Let us start with metals.
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Matter in Our Surroundings - Notes
1. 7. Metals are Solids at the Room Temperature
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6. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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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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16. 8. Metals Generally Have High Melting Points and Boiling Points.
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19. 8. Non-Metals Have Comparatively Low Melting Points and Boiling Points
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23. To Study the Properties of a Suspension
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24. Effect of Temperature and Pressure on Solubility
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25. Chemical Formula for daily use material
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26. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.
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28. Pure Substances : Elements and Compounds
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29. Solutions, Suspensions And Colloids
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34. 1. Separation by a Suitable Solvent
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40. 3. Metals are Good Conductors of Heat and Electricity.
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46. To Separate the Salt-Water Mixture (or Salt-Solution)
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47. 4. Non-Metals are Not Lustrous (Not Shiny). They are Dull in Appearance.
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48. To Study the Properties of a Compound of Iron and Sulphur
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