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

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

###### Problem Details

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 -

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Periodic Trends: Ionic Radius concept. You can view video lessons to learn Periodic Trends: Ionic Radius. Or if you need more Periodic Trends: Ionic Radius practice, you can also practice Periodic Trends: Ionic Radius practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofPlace the following ions in order from smallest to largest i...as medium difficulty.

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Our expert Chemistry tutor, Dasha took 3 minutes and 13 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

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