2-12. atomic structure

Cards (1)

  • Electron configuration of the following ions:
    1. Copper (I) ion: 1s2, 2s2, 2p6, 3s2, 3p6, 3d9
    2. Chromium: 1s2, 2s2, 2p6, 3s2, 3p6 4s1, 3d5