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