9. Two elements, Sodium and Chlorine, react to form crystals out of a water solution. What can be said about the space between the atoms in the crystal lattice?
A. The atoms pack so tightly that they completely flatten against each other
B. In between the atoms is air.
C. Water molecules get stuck in between the sodium and chlorine atoms.
D. There is nothing but space between the atoms in the crystal
D. There is nothing but space between the atoms in the crystal
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