Question

write the electronic configuration of cr, cu and Ag.​

Answer 1

Answer:

Element Predicted Electron Configuration Actual Electron Configuration

Element Predicted Electron Configuration Actual Electron Configurationcopper, Cu [Ar] 3d9 4s2 [Ar] 3d10 4s1

Element Predicted Electron Configuration Actual Electron Configurationcopper, Cu [Ar] 3d9 4s2 [Ar] 3d10 4s1silver, Ag [Kr] 4d9 5s2 [Kr] 4d10 5s1

Element Predicted Electron Configuration Actual Electron Configurationcopper, Cu [Ar] 3d9 4s2 [Ar] 3d10 4s1silver, Ag [Kr] 4d9 5s2 [Kr] 4d10 5s1gold, Au [Xe] 4f14 5d9 6s2 [Xe] 4f14 5d10 6s1

Element Predicted Electron Configuration Actual Electron Configurationcopper, Cu [Ar] 3d9 4s2 [Ar] 3d10 4s1silver, Ag [Kr] 4d9 5s2 [Kr] 4d10 5s1gold, Au [Xe] 4f14 5d9 6s2 [Xe] 4f14 5d10 6s1palladium, Pd [Kr] 4d8 5s2 [Kr] 4d10

Answer 2

Electronic configuration of

1. Cr =24
2. Cu=29
3. Ag=?