Problem: Place the following ions in order from smallest to largest ionic radii: Note that < means less than.K + , Ca 2+ , S 2- , and Cl - .a. S 2- < Cl - < Ca 2+ < K +b. Ca 2+ < K + < Cl - < S 2-c. S 2- < Cl - < K + < Ca 2+d. K + < Cl - < S 2- < Ca 2+e. Ca 2+ < K + < S 2- < Cl -

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Place the following ions in order from smallest to largest ionic radii: Note that < means less than.

K + , Ca 2+ , S 2- , and Cl - .

a. S 2- < Cl - < Ca 2+ < K +

b. Ca 2+ < K + < Cl - < S 2-

c. S 2- < Cl - < K + < Ca 2+

d. K + < Cl - < S 2- < Ca 2+

e. Ca 2+ < K + < S 2- < Cl -

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Based on our data, we think this problem is relevant for Professor Bindell's class at UCF.