Among the given elements, highest IP1 is for

IP1- Li < B < Be < C < O < N < F < Ne ;IP2- Be < C < B < N < F < O < Ne < Li ;IP1- Na < Al < Mg < Si < S < P < Cl < Ar ;IP2- Mg < Si < Al < P < Cl < S < Ar < Na ;IP1 is highest for ‘He’ in modern periodic table ;IP1 decreases from Li to Cs ;