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E. Configurations

Review of electron configurations

Said that electrons are placed in the lowest energy level first Aufbau
Said that electrons will have the same spin until each atomic orbital has 1 electron Hund
Said that 2 is the max # of electrons in an atomic orbital; must have opposite spins Pauli
Max # of electrons in the f block 14
Max # of electrons in the s block 2
Max # of electrons in the d block 10
Max # of electrons in the p block 6
Number of orbitals in the s block 1
Number of orbitals in the f block 7
Number of orbitals in the p block 3
Number of orbitals in the d block 5
Only element already stable with just 2 valence electrons Helium [He]
visual representation of only valence electrons Lewis Dot structure
Only group with a full s and full p orbitals outer shell 8A (Noble Gases)
visual representation of all the electrons an atom has electron configuration
outermost electrons ; highest energy level valence
inner electrons; closest to the nucleus; lower energy core
region in space where you expect to find electrons atomic orbital
change in number of electrons ion
Created by: cadetjt