Cute Meme but odd scheme.
There are 3 Molecular bonds: Ionic, Covalent, Metallic.
And there are some “supramolecular” bonds like Hydrogen Bonding. However there are more of these and hydrogen is in no way special. For example there are 3 types of van der Waals interactions or even hydrophobic interactions.





I’m not touching any civ game until it got it’s two DLCs. 5 and 6 had only a really good game loop after them and it’s cheaper that way. I’m not alone in this I think which might be half of the reason for the struggle.