When the Kekulé card came up I was epxecting more of an explanation of the three points as to why his model was incorrect, not just a simple "No". Nonetheless, it had me in tears and this was still a quick and useful tool, well done :D
it might be helpful if it would actually tell me how I did instead of saying that's it's calculating how I did and staying on the same page for 20 minutes with no sign of loading. (With perfectly working Internet. It's your end, not mine not working)
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