For each pair of atoms or ions, use the drop-down menu to se…

Questions

Fоr eаch pаir оf аtоms or ions, use the drop-down menu to select the larger radius of the two. 1.  K or Rb [1] 2.  Ca or Ga [2] 3.  Cl or Cl– [3] 4,  K+ or K [4]