The first six ionisation energies for four elements are shown below. Which element is most likely to belong to Group IV of the Periodic Table?
- AIonisation energies (kJ mol$^{-1}$): $494,\ 4560,\ 6940,\ 9540,\ 13400,\ 16600$
- BIonisation energies (kJ mol$^{-1}$): $736,\ 1450,\ 7740,\ 10500,\ 13600,\ 18000$
- CIonisation energies (kJ mol$^{-1}$): $1090,\ 2350,\ 4610,\ 6220,\ 37800,\ 47000$
- DIonisation energies (kJ mol$^{-1}$): $1400,\ 2860,\ 4590,\ 7480,\ 9400,\ 53200$