Enter the radius of the cation and the radius of the anion into the Radius Ratio Calculator. The calculator will evaluate the Radius Ratio.
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Radius Ratio Formula
The following two example problems outline the steps and information needed to calculate the Radius Ratio.
RR = Rc / Ra
Variables:
- RR is the Radius Ratio ( )
- Rc is the radius of the cation
- Ra is the radius of the anion
To calculate the radius ratio, divide the radius of the cation by the radius of the anion.
How to Calculate Radius Ratio?
The following steps outline how to calculate the Radius Ratio.
- First, determine the radius of the cation.
- Next, determine the radius of the anion.
- Next, gather the formula from above = RR = Rc / Ra.
- Finally, calculate the Radius Ratio.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
radius of the cation = 1.25
radius of the anion = 1.5
RR = Rc / Ra = ?
