[danharaj]

Lithium?

[hobs]

Yeah, take metals out of the equation and it probably a lot more likely.

You are still going to need things like: Sodium, Potassium, Magnesium, Iron, etc.

[whatshisface]

I meant metals in the solid-state physics sense, with the oceans of electrons and band gaps and stuff. You can keep your monatomic ions (which are crucial for biology in many ways).