▁ion ▁react s ▁with ▁arg on ▁to ▁yield ▁Ar Si F . ▁ ▁{ | class =" wik itable " ▁! I on ▁! B ond ▁length ( Å ) ▁! Dis soci ation ▁energy ( k J / m ol ) ▁! Ex c ited ▁state b ond ▁length ▁( Å ) ▁! Ex c ited ▁stated is soci ation ▁energy ▁| - ▁| Ar H + ▁| ▁| 3 . 4   e V ▁| - ▁| Li Ar + ▁| 2 . 3 4 3 ▁| 0 . 3 0   e V ▁| - ▁| Be Ar + ▁| ▁| 4 1 0 0   cm − 1 ▁| - ▁| B Ar + ▁| 2 . 5 9 0 ▁| 2 1 0 ▁| - ▁| Ar C + ▁| ▁| ▁| - ▁| Ar N + ▁| 3 . 5 ▁| 2 . 1 6   e V ▁| - ▁| Ar O + ▁| ▁| ▁| - ▁| Ar F + ▁| 1 . 6 3 7 ▁| 1 9 4 ▁| - ▁| Na Ar + ▁| ▁| 1 9 . 3 ▁| - ▁| M g Ar + ▁| 2 . 8 8 ▁| 1 2 0 0   cm − 1 ▁| - ▁| Al Ar + ▁| ▁| 9 8 2   cm − 1 ▁| - ▁| Si Ar + ▁| ▁| ▁| - ▁| Ar P + ▁| ▁| ▁| - ▁| Ar S + ▁| ▁| ▁| - ▁|