Problem: Write the electron configuration for  Cd2+.

FREE Expert Solution

Electron configuration for Cd2+

Cadmium (Cd)

  • atomic number = number of electrons = 48


  • lost 2 electrons 
  • number of electrons = 48-2 = 46

Aufbau Principle totally fill in the lowest energy orbital first
Hund’s Rule electron orbitals that are degenerate (same energy) are first half-filled before they are totally filled   

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Write the electron configuration for  Cd2+.

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