10. Periodic Properties of the Elements - Part 2 of 3

10. Periodic Properties of the Elements / Periodic Trend: Ionic Radius / Problem 12

Problem 12

Which of the following options below show the isoelectronic ions in order of decreasing radii?
a. Cl ^– > Br ^– > F ^–
b. S^2- > Cl ^– > Ar
c. Ca²⁺ > Na ⁺ > Ar
d. Ca²⁺ > Sr ²⁺ > Mg²⁺

Cl^- > Br^- > F^-

S^2- > Cl^- > Ar

Ca²⁺ > Na⁺ > Ar

Ca²⁺ > Sr²⁺ > Mg²⁺

Which of the following options below show the isoelectronic ions in order of decreasing radii?a. Cl – > Br – > F –b. S2- > Cl – > Arc. Ca2+ > Na + > Ard. Ca2+ > Sr 2+ > Mg2+