Metalloids
There are a few elements which show some properties of metals and other properties of non-metals For example, they look like metals but they are brittle like non-metals. They are neither conductors of electricity like metals nor insulators like non-metals, they are semiconductors. The elements which show some properties of metals and some other properties of non-metals are called metalloids. Their properties are intermediate between the properties of metals and non-metals. Metalloids are also sometimes called semi-metals. The important examples of metalloids are : Boron (B), Silicon (Si), and Germanium (Ge).
Notes
Matter in Our Surroundings - Notes
2. The Case of a Liquid Solute Dissolved in a Liquid Solvent
Show Notes
3. 3. Non-Metals are Bad Conductors of Heat and Electricity.
Show Notes
4. 11. Metals Usually Have a Silver or Grey Colour
Show Notes
6. 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
13. Separation Of Mixture Of a Solid And a Liquids
Show Notes
15. 1. Separation by a Suitable Solvent
Show Notes
16. 6. Non-Metals are Not Strong. They Have Low Tensile Strength.
Show Notes
17. 11. Non-Metals Have Many Different Colours.
Show Notes
20. 6. Metals are Usually Strong. They Have High Tensile Strength.
Show Notes
22. To Study the Properties of a Compound of Iron and Sulphur
Show Notes
27. To Study the Properties of a Solution
Show Notes
34. To Separate a Mixture of Alcohol and Water
Show Notes
35. 3. Metals are Good Conductors of Heat and Electricity.
Show Notes
36. Separation of Mixture Of Two Solids
Show Notes
39. To Separate the Salt-Water Mixture (or Salt-Solution)
Show Notes
41. Chemical Formula for daily use material
Show Notes
46. To Study the Properties of a Suspension
Show Notes
47. 1. Non-Metals are Not Malleable. Non-Metals are Brittle.
Show Notes
50. 7. Metals are Solids at the Room Temperature
Show Notes
