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atomicstructure11/22

QuestionAnswer
Aufbau's Principle Electrons occupy orbitals of lower energy level first.
Pauli Exclusion Principle An orbital can hold only two electrons and they must have opposite spin.
Hund's Rule Every orbital in a subshell is singly occupied with one electron before any one orbital is doubly occupied and all electrons in singly occupied orbitals have the same spin.
Diagonal Rule (Steps for electron configuration) 1. Write the energy levels from top to bottom. 2. Write the orbitals in "s, p, d, f" order, write the same number of orbitals as the energy level. 3. Draw diagonal lines from top right to the bottom left.
Standard Notation of Electron Configuration Writing the whole configuration out. For example for the element Flourine: 1s²2s²2p⁵
Shorthand Notation of Electron Configuration Using the last noble gas located in the periodic table right before the element, and substitute it in and write the noble gas in brackets. For example the element Flourine: [He] 2p²2p⁵
Created by: sblchem