10. Periodic Properties of the Elements
The Electron Configuration
Multiple Choice
Multiple ChoiceWhich of the following statements is false?
A
The sublevels of each principal level are not degenerate for multielectron atoms.
B
In a hydrogen atom, the sublevels of each principal level are degenerate.
C
Due to shielding, the 3d orbitals lie lower in energy than the 4s orbital.
D
Some atoms have anomalies in their electron configurations due to the fact that energy separations of the orbitals become smaller as the principal quantum number increases.
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