Atomic number of cobalt (Co) = 27
Ground – state electron configuration of any atom is the arrangement of electrons around the nucleus with their lower energy levels.
Electronic configuration of Co = 1s²,2s²,2p⁶,3s²,3p⁶, 3d⁷, 4s²
Final Answer:
Hence, the ground – state electron configuration of Co – 1s²,2s²,2p⁶,3s²,3p⁶, 3d⁷, 4s²