Which of the Following Sets Are Isoelectronic (I

question 32

Multiple Choice

Which of the following sets are isoelectronic (i.e., have the same number of electrons) ?Br⁻, Kr, Sr²⁺C, N⁻, O²⁻Mg²⁺, Ca²⁺, Sr²⁺O²⁻, O, O²⁺Ag⁺, Cd²⁺, Pd

• A)i and ii
• B)i and v
• C)i, iii and iv
• D)ii, iii and v
• E)i, iii iv and v