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# The 1st ionization potential Na,Mg,Al and Si are :

$(a)\;Na < Mg > Al < Si \\(b)\; Na > Mg > Al > Si\\ (c)\;Na < Mg < Al > Si \\ (d)\;Na > Mg > Al < Si$

Can you answer this question?

The correct order is $Na < Mg > Al < Si$
Hence a is the correct answer.
answered Mar 11, 2014 by