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		The NaCl Unit Cell
		Check Your Learning
Can you recognize different ions in this unit cell which is isomorphous with NaCl? Click an ion that is shared by four unit cells. Try to find another ion that is shared by four unit cells.		You clicked an ion that is completely within the unit cell. Would you like to review how to count such ions? You clicked an ion that is shared between two unit cells. Would you like to review how to count such ions? You are correct. An ion in the middle of an edge is shared between four unit cells. You clicked an ion that is shared between eight unit cells. Would you like to review how to count such ions?
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