What is meant by saying that metals are: (i) Malleable (ii) Ductile (iii) Lustrous and (i) Sonorous

Answer

1. i) Malleable: This means that metals can be beaten into thin sheets with a The property which allows the metals to be hammered into thin sheets is called malleability.

Aluminum metal can be hammered to form aluminum foils.

• Ductile: This means that metals can be drawn (or stretched) into thin The property which allows the metals to be drawn into thin wires is called ductility.

Copper metal can be drawn into thin copper wires (used as electric wires).

• Lustrous: This means that metals have a shiny The shiny appearance of the metals is called metallic luster.

Gold metal is used for making jewelry because of its shiny luster.

• Sonorous: This means that metals make a ringing sound when we strike The property by virtue of which metals make a ringing sound is called sonority.

Metal sheets are used for making bicycle bells and temple bells.