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. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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2. 7. Metals are Solids at the Room Temperature
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6. 8. Metals Generally Have High Melting Points and Boiling Points.
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7. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
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8. To Study the Properties of a Colloid
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10. The Case of a Liquid Solute Dissolved in a Liquid Solvent
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13. Saturated And Unsaturated Solutions
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14. Separation Of Mixture Of a Solid And a Liquids
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15. 6. Metals are Usually Strong. They Have High Tensile Strength.
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16. Chemical Formula for daily use material
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17. 6. Non-Metals are Not Strong. They Have Low Tensile Strength.
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18. To Study the Properties of a Compound of Iron and Sulphur
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21. 11. Non-Metals Have Many Different Colours.
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23. To Separate the Salt-Water Mixture (or Salt-Solution)
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25. To Distinguish a Colloid from a Solution
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30. 3. Metals are Good Conductors of Heat and Electricity.
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33. Pure Substances : Elements and Compounds
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35. 1. Separation by a Suitable Solvent
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40. To Study the Properties of a Solution
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42. 11. Metals Usually Have a Silver or Grey Colour
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46. Separation Of Mixture Of Two (Or More) Liquids
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49. Solutions, Suspensions And Colloids
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