Question
Write the differences between metals and non-metals on the basis of their physical properties.
✓
Answer
| Metals | Non-metals |
| 1. Metals are lustrous. | 1. Non-metals are usually non- lustrous. |
| 2. Metals are hard, except sodium and potassium. | 2. Non-metals are not hard. |
| 3. Metals are solid, except mercury. | 3. Non-metals can exist in all states. |
| 4. Metals are malleable and ductile. | 4. Non-metals are neither malleable nor ductile. |
| 5. Metals are sonorous. | 5. Non-metals are not sonorous. |
| 6. Metals are good conductors of heat and electricity. | 6. Non-metals are poor conductors of heat and electricity. |
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