Because, if you can't 'helium' or 'curium', you 'BARIUM'!
You Barium.
Because they can never be a part of the solution.
Barium
Barium, Cobalt and Nitrogen.
Because HE's noble.
Well, if you can't helium and you can't curium, all you can do is barium!
You try to Curium. If that doesn't work and he dies, then Barium
Because if you can't Helium or Curium , You'd Barium!
Because if you can't Helium or Curium, you Barium. (Heard it from Heimerdinger, League of Legends)