tinklover3969 tinklover3969 21-03-2024 Chemistry contestada which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f⁷ ? A. eu B. sm C. os D. am