metal, non metal and alloys

Metal and non metal.
      
       We all known about some metal and non metal .if any bady ask from you how many metal exist in world ?
Before this question we will know about how many elements exist in world?
Answer is 118. 
But.beforè this you know that how many type of element ?
Answer is 3 type . If you think how 3 type happen then this question good.
The 3rd type of element is alloys . The alloys is a substance which is a homogeneous mixture of two or more metal ,metal and non metal.
The answer if the question how many metal and non metal exist in world is Metalis 91 and non metal is 17.

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