The answer to the question is 300meters.
Answer:
the ionic radius of the anion
Explanation:
From the diagram shown below :
The anion is located at the corners
The cation is located at the body center
The Body diagonal length =
∴
Given that :
(i.e the ratio of the ionic radius of the cation to the ionic radius of
the anion )
Also ; a = 664 pm
Then :
Therefore, the ionic radius of the anion