Physical properties of Metals and Non metals -4

1. What is sonorosity?Which of the two,metals and non metals are sonorous?
Write one use of this property.
2. What are mettaloids? Give three examples of metalloids.
3.Write 5 differences between metals and non metals.
4. Differentiate metals and non metals on the basis of density.
5. Differentiate metals and non metals on the basis of melting point and mention one exception in both of them.
6. Name two metals which can be cut with a knife?
7. Differentiate between metals and non metals on the basis of their physical state.

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