Question

Differentiate metals and non metals on the basis of following properties.
a. Density
b. Sonorosity
c. Lustre
d. Physical state
e. Electric conductivity​

Answer 1

Answer:

Metal

Hardness- generally metals are hard but sodium nd potassium are soft metal Malleability- metal when beat or hammered can be change into thin sheet this property of metal called malleability. Ductility - metal can be drawn into thin wire. This property called ductility. Ductility of different metals are different. Sonorous - when metal are struck with a rigid object they produce a characteristic sound for this reason, musical instruments like sitar guitar produce sound.

Answer 2

Answer:

Solution :

Property Metals Non- Metals

(a) Lustre They are lustrous, they shine. They are non-lustrous. Exception- Graphite, Iodine

(b) Malleability They are malleable, they can be drawn into sheets. Exception - zinc They are non-malleable. Exception - Carbon fibre

(c) ductility They are ductile, they can be drawn into wires. Exception - zinc, mercury They are non-ductile. Exception - Carbon fibres.

(d) tensile strength They have high tensile strength. Exception - zinc, mercury They have low tensile strength. Exception - Carbon fibres

(e) Sonority They are sonorous. They are not sonorous.

(f) Conduction of heat and electricity They are good conductors of heat and electricity. They are poor conductors of heat and electricity.

(g) Melting and boiling point They have a high melting and boiling point. Exception - Sodium, potassium, mercury They have a low melting and boiling point. Exception - carbon, silicon

(h) Density They have high density. Exception - sodium, potassium, calcium They have low density. Exception - graphite

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