1. Tardigrade
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  3. Chemistry
  4. For tetrahedral co-ordination the radius ratio (r+ /r-) should be

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Q. For tetrahedral co-ordination the radius ratio $(r^+ /r^-)$ should be

The Solid State

Solution:

For an atom or ion to fit into a tetrahedral void the radius ratio $(r^+/r^-)$ should be $0.225-0.414$.