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प्रश्न
What are (i) metals (ii) non-metals, and (iii) metalloids ? Give two examples each of metals, non-metals and metalloids.
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उत्तर
- Metals: Metals are elements that are malleable, ductile and conduct electricity.
Examples: Aluminum and zinc - Non-metals: Non-metals are elements that are neither malleable nor ductile, and they do not conduct electricity. Most non-metals are brittle in nature.
Examples: Phosphorus, hydrogen - Metalloids: Metalloids are elements that show properties of both metals and non metals.
Examples: Germanium, silicon
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संबंधित प्रश्न
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- Name the scientist who discovered this phenomenon.
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| (A) | (B) | ||
| (a) | Pressure | (i) | cubic metre |
| (b) | Temperature | (ii) | kilogram |
| (c) | Density | (iii) | pascal |
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