A lab technician analyzes a transition metal ion with a completely filled d-orbital. Which element is most likely involved?
Q1. A lab technician analyzes a transition metal ion with a completely filled d-orbital. Which element is most likely involved?
Answer: Copper
Explanation: Cu²+ has a 3d⁹ configuration, but Cu+ forms with a stable 3d¹⁰. Zinc and Nickel fill d-orbitals normally.