The five ionisation energies below represent successive ionisation energies (IE) for a Period 2 element. Determine the identity of this element.

IE₁ = 801 kJ mol^-1, IE₂ = 2427 kJ mol^-1, IE₃ = 3660 kJ mol^-1, IE₄ = 25026 kJ mol^-1, IE₅ = 32827 kJ mol^-1