Chemistry

Matter in Our Surroundings


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/cm3, 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. 9. Non-Metals Have Low Densities.
Show Notes
2. 7. Metals are Solids at the Room Temperature
Show Notes
3. Properties of Metals
Show Notes
4. 2. Metals are Ductile.
Show Notes
5. 3. Non-Metals are Bad Conductors of Heat and Electricity.
Show Notes
6. Concentration of a Solution
Show Notes
7. 3. Separation by a Magnet
Show Notes
8. 7. Non-Metals may be Solid, Liquid or Gases at the Room Temperature.
Show Notes
9. 11. Non-Metals Have Many Different Colours.
Show Notes
10. The Case of Solutions
Show Notes
11. 5. Non-Metals are Generally Soft
Show Notes
12. Elements
Show Notes
13. Non-Metals
Show Notes
14. Impure Substances: Mixtures
Show Notes
15. 8. Metals Generally Have High Melting Points and Boiling Points.
Show Notes
16. Is Matter Around Us Pure
Show Notes
17. 2. Separation by Centrifugation
Show Notes
18. 1. Metals are Malleable.
Show Notes
19. 8. Non-Metals Have Comparatively Low Melting Points and Boiling Points
Show Notes
20. Types of Solutions
Show Notes
21. 6. Separation by Distillation
Show Notes
22. Physical And Chemical Changes
Show Notes
23. To Study the Properties of a Suspension
Show Notes
24. Chemical Formula for daily use material
Show Notes
25. Effect of Temperature and Pressure on Solubility
Show Notes
26. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.
Show Notes
27. Separation of Scrap Iron
Show Notes
28. Supply of Drinking Water in a City
Show Notes
29. properties of a Solution
Show Notes
30. Pure Substances : Elements and Compounds
Show Notes
31. Properties of a Suspension
Show Notes
32. Solutions
Show Notes
33. 3. Metals are Good Conductors of Heat and Electricity.
Show Notes
34. 4. Non-Metals are Not Lustrous (Not Shiny). They are Dull in Appearance.
Show Notes
35. Mixtures
Show Notes
36. Solutions, Suspensions And Colloids
Show Notes
37. Colloids
Show Notes
38. 1. Separation by a Suitable Solvent
Show Notes
39. 10. Metals are Sonorous.
Show Notes
40. 5. Separation by Chromatography
Show Notes
41. Metals, Non-Metals and Metalloids
Show Notes
42. Metals
Show Notes
43. 2. Non-Metals are Not Ductile.
Show Notes
44. Compounds
Show Notes
45. Suspensions
Show Notes
46. Comparison Among the Properties of Metals and Non-Metals
Show Notes
47. Differences Between Mixtures and Compounds
Show Notes
48. Chemical Changes
Show Notes
49. 2. Separation by Sublimation
Show Notes
50. Separation Of Mixture Of a Solid And a Liquids
Show Notes