3^rd period : Na, Mg, Al, Si, P, S, Cl
4^th group : C, Si, Ge, Sn, Pb
For the above information identify the correct points

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Metals: Na,Mg,Sn,Pb,Al Metalloids:Si, Ge, Non metals: P, S, Cl, C

Metals: P,S,Cl,C, Metalloids: Na, Mg, Sn, Pb, Non metals: Al,Si,Ge

Metals: P,Si,Ge, Metalloids:Al,S,Cl,C Non metals: Na, Mg, Sn, Pb

Metals: Al,Si,Ge, Metalloids:P,S,Cl,C, Non metals: Na, Mg, Sn, Pb

answer is A.

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Detailed Solution

Generally except hydrogen IA, IIA group elements are metals. Na, Mg, Al, An, Pb are metals with metallic properties. Si, P, S, Cl, C are non-metals with more electronegative and with high ionization energy.

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