9. Non-Metals Have Low Densities.
This means that non-metals are light substances. For example,sulphur is a solid non-metal having a low density of 2 g/, which is quite low. The density of gaseous non-metals is very, very low. One non-metal iodine has, however, high density.
Notes
Matter in Our Surroundings - Notes
1. The Case of a Liquid Solute Dissolved in a Liquid Solvent
Show Notes
2. 11. Metals Usually Have a Silver or Grey Colour
Show Notes
5. 3. Non-Metals are Bad Conductors of Heat and Electricity.
Show Notes
9. To Study the Properties of a Colloid
Show Notes
11. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
Show Notes
14. Separation Of Mixture Of a Solid And a Liquids
Show Notes
15. 1. Separation by a Suitable Solvent
Show Notes
18. 6. Metals are Usually Strong. They Have High Tensile Strength.
Show Notes
19. To Separate a Mixture of Alcohol and Water
Show Notes
21. 6. Non-Metals are Not Strong. They Have Low Tensile Strength.
Show Notes
22. To Study the Properties of a Compound of Iron and Sulphur
Show Notes
26. To Study the Properties of a Solution
Show Notes
27. Separation of Mixture Of Two Solids
Show Notes
28. 3. Metals are Good Conductors of Heat and Electricity.
Show Notes
30. 11. Non-Metals Have Many Different Colours.
Show Notes
32. Chemical Formula for daily use material
Show Notes
34. To Separate the Salt-Water Mixture (or Salt-Solution)
Show Notes
44. 7. Metals are Solids at the Room Temperature
Show Notes
46. 4. Metals are Lustrous (or Shiny), and can be Polished.
Show Notes
