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1. |
In a stable ceramic crystal structure, a cation is surrounded by three anions in the form of a planar equilateral triangle. The ratio of the cation-anion radius for the crystal is nearly |
A. | 0.16 |
B. | 0.24 |
C. | 0.32 |
D. | 0.41 |
Answer» B. 0.24 | |