Using the values given in Table below, calculate the value (rounded up to first decimal place) of Born exponent for BaO:
Correct answer is '9.5'. Can you explain this answer?

Question

Using the values given in Table below, calculate the value (rounded up to first decimal place)of Born exponent for BaO:Correct answer is '9.5'. Can you explain this answer?

Answer

While calculating value of born exponent we have to get the average value of cation and anion .
In the given example for calculating the born exponent value of barium oxide firstly we have to add the value of Ba2+ and O2- and then divided by 2.
From table Ba2+ = 12 , O2-=7 so average value will be equal to (12+7)/2 = 19/2= 9.5

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