Question

cs+ 167 pm
f- 133 pm
based on the data in the table, which of the following diagrams best depicts the structure of the ionic solid csf?
choose 1 answer:

Explanation:

Step1: Compare ion sizes

The radius of $Cs^+$ is 167 pm and of $F^-$ is 133 pm. So $Cs^+$ is larger than $F^-$.

Step2: Analyze ionic - solid structure

In an ionic solid, larger ions (anions or cations depending on size) form a close - packed structure and smaller ions fit into the holes. Here, $Cs^+$ being larger should be the ions that form the basic structure and $F^-$ should fit into the holes. In the diagrams, larger circles represent larger ions and smaller circles represent smaller ions.

Answer:

B.