Answers

1. Non – Metals:

   • Non- metals are bad conductor of electricity ( except Graphite ).

   • Non- metals are also bad conductor of heats. ( except diamond )

   • Non – metal are neither malleable nor ductile. They are brittle.

   • Non-metal are not strong.

   • Non-metal are not sonorous.

   Some terms:

   ★ Malleable: This means that metals can be beaten into thin sheets with hammer.

   ★ Ductile: This means that metals can be drawn into thin wires.

   ★ Brittle: This means that non-metal break into pieces on hammering.

   ★ Sonorous: This means capable of producing a ringing sound.

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