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- Aside from simply placing atoms on the playfield, you can also switch them. Click where indicated to place the green atom.
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- The two red atoms are now satisfied, but the green atom still needs one more bond.
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- By clicking on the green atom, you will switch it with the bottom one in the vial.
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- This completes the molecule.
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- This is a wall.
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- Atoms cannot bond through walls.
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- Click where indicated to place the green atom. It will not bond to the red one.
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- In this case, you will have to build around the wall. We will do it for you here.
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- The final situation occurs when an atom has a choice. Click to place the blue atom from the vial.
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- As you can see, the blue atom does not know where to bond. Click on the unsatisfied purple atom to form the bond.
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- Notice, if you had chosen the red atom for the blue one to bond with, the molecule would not be completed.
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- Here's a hint. Purple atoms are happiest in the middle of a molecule.
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- Now for the atoms.
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