distillpub / post--gnn-intro

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Carbon atoms have only 2 bonds in the GNN playground #9

Open drscarlat opened 2 years ago

drscarlat commented 2 years ago

Most of the molecules in the GNN playground have carbon atoms (color green) with one and two bonds. How can this possibly be ? Carbon is supposed to form 4 bonds... Unless the hydrogen atoms (NOT shown) are somehow implied ? Thanks Alex