9. Metals Have High Densities.
This means that metals are heavy substances. For example, the density of iron metal is 7.8 g/ which is quite high. There are, however, some exceptions. Sodium and potassium metals have low densities. They are very light metals.
Notes
Matter in Our Surroundings - Notes
2. 7. Metals are Solids at the Room Temperature
Show Notes
5. 3. Non-Metals are Bad Conductors of Heat and Electricity.
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
15. 8. Metals Generally Have High Melting Points and Boiling Points.
Show Notes
19. 8. Non-Metals Have Comparatively Low Melting Points and Boiling Points
Show Notes
23. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.
Show Notes
24. To Study the Properties of a Suspension
Show Notes
25. Effect of Temperature and Pressure on Solubility
Show Notes
26. Chemical Formula for daily use material
Show Notes
28. Pure Substances : Elements and Compounds
Show Notes
33. 1. Separation by a Suitable Solvent
Show Notes
34. Solutions, Suspensions And Colloids
Show Notes
37. 3. Metals are Good Conductors of Heat and Electricity.
Show Notes
39. 4. Non-Metals are Not Lustrous (Not Shiny). They are Dull in Appearance.
Show Notes
50. Separation Of Mixture Of a Solid And a Liquids
Show Notes