Chemistry (NTSE/Olympiad)  

1. Metals & Non Metals

Introduction Metals & Non Metals

There are 115 elements known till today. These elements can be classified into various groups on the basis of their properties. Metals are usually hard, malleable and ductile. They are sonorous and have metallic lustre. They are good conductors of heat and electricity.
Non-metallic are usually soft. They do not possess lustre. They are not malleable and ductile rather they are brittle. They are not good conductors of heat and electricity.
We shall study about metals and non-metals in details.

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