Sapling Learning > I drew the correct molecule. Why was I scored as incorrect?

Document created by Digital Support on Jan 25, 2017Last modified by Digital Support on Oct 3, 2017
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The molecule drawing module grades connections. A very common error is to draw overlapping lines, expecting the module to know that there should be a carbon atom in the middle. Since sometimes lines overlap legitimately without the intention of adding a carbon atom at the intersection, the system is unable to guess that a carbon atom should be placed at the overlap.

If that doesn't fix your problem, check the help articles referenced in Drawing Molecules.