A formula unit of an ionic compound Select one:
a. is an independent unit that can be isolated and studied.
O b. is the simplest ratio of ions that balances total charge.
O c. describes the crystal lattice.
O d. all of the above

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b. is the simplest ratio of ions that balances total charge.

Explanation:

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they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

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