how do you identify whether an element is a metal or a non metal when the atomic number is given?

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Solution

Dear Student

The outermost shell in the metals will consist 1, 2 or 3 electrons whereas the outermost shell of non metals will consist 5,6 or 7 electrons. So, if atomic number of an element is given write its electronic configuration then you can easily know whether it is a metal or a non metal.

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