I think it is always good to have some comments as people who work in science (like me), might set the "common ground" a bit high, and general public may get lost easily. Yet, it really depends on your target audience.
As a chemist, I think the sentence "A carbon atom has a unique property of linking with other carbon atoms. This self-linking property of carbon is called catenation." point out the whole idea of the post.
Meanwhile, for general audience in steemit(which might have no science background), it is very likely for them have no idea what is multiple bonds, covalent bonds, tetravalency. And "enthalpy" is definitely too heavy for the general audience.
It is always challenging to explain things really fundamental. I would suggest making the post slightly longer with more explanations, with the use of examples to illustrate your ideas as well as pictures! Feel free to tell me if there are any more suggestions, I am always happy to learn and deliver ideas more effectively :D
Good luck !!
RE: Catenation