How an we identify an element that this is a metal, non metal and metalloids
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☆ By its valency we can identify whether it is a metal,non-metal or metalloid
☆ If valency is +1,+2 and +3 then it is a metal
☆ If + or - 4 then it is a metalloid
☆ If -3,-2, and -1 then it is a non-metal
DevyaniDwivedi:
When it is + valency then how we can identify between metal and metalloid
??
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Metal , by its hardness , shine,its ductility , its malleability .
Non metal, by its softness , its sound .
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