How the elements are callified as me...

How the elements are callified as metals and non- metals based on their electronic configuration ?

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Generally the elements with three or less electrons in the outer shell are considered to be metals and those with five or more electrons in the outer shell are considered to be non-metals , We may find some exceptions to this .

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Metals having ns' as the valence electronic configuration

act as strong oxidising agents

are highly electronegative

are highly electropositive

have a first ionization potential of more than

How the elements are callified as metals and non- metals based on their electronic configuration ?

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Metals having ns' as the valence electronic configuration

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