Answer:
Metals | Non-metals |
1. They have lustre (sheen). | 1. They are non-lustrous (dull). |
2. They are malleable and ductile. | 2. They are neither malleable nor ductile. |
3. They have high density and high melting and boiling points. | 3. They have low density and low melting and boiling points . |
4. Except mercury and gallium, all other metals are solid at room temperature. | 4 .Non-metals may exist in solid, liquid or gaseous states at room temperature. |
5. They are sonorous. | 5. They are not sonorous . |
6. They are good conductors of heat. | 6. They are poor conductors of heat and electricity . |
7. They are generally hard (except sodium and potassium). | 7. Non-metals are generally soft (except diamond). |
8. They have high tensile strength. | 8. They have low tensile strength. |
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