Periodic Properties

The d-________ of the periodic table of the elements consists of those periodic table groups that contain elements in which, in the atomic ground state, the highest-energy electron is in a d-orbital.

One 1 2 3 4 5 6 7 8 9
Two 10 11 12 13 14 15
Three 16 17 18 19 20
Four 21 22 23 24 25 26 27
  
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