How many unpaired electrons are present in the ions given below?
i. Mn⁴⁺
ii. Cd²⁺

• A. i. 3 unpaired electronsii. 0 unpaired electrons
• B. i. 4 unpaired electronsii. 2 unpaired electrons
• C. i. 3 unpaired electronsii. 2 unpaired electrons
• D. i. 4 unpaired electronsii. 0 unpaired electrons

Answer: (A)