Question

1. Define metal, nonmetal and metalloids.
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Answer 1

Answer:

1.Metal-most of the element known to us our metal. they are mono atomic and most of them are hard solid. example magnesium

2.non metal-non metal are mostly poly atomic in nature .their molecule contain two or more atom. example of oxygen contains two atom in its molecule, phosphorus has four atom

3. metalloids-these are monoatomic element showing some property of matter and some property of non metal .they are hard solid. example boron