Thanks to Auntie, we know that the usual model of atoms with electrons spinning around nucleus like the solar system isn't really accurate, so I didn't feel like we had to do that! But I'm pretty sure that it is an educational requirement that any time you study atoms and molecules you are required to make some kind of model using common household items~preferably edible, so we went ahead (without even consulting our science advisor) and made gum drop models of compounds: 
and salt....
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Hey, models are still useful, even if they can't be to scale! Just good to keep the real scale in mind. :) And yes, can't get through anything dealing with molecules without some gumdrop/marshmallow and toothpick modeling. But now....do you understand why the sodium and chlorine stick together to make the salt crystals?
Auntie
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