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E. Configurations

Review of electron configurations

QuestionAnswer
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
Element with e. configuration ending of 4s1 3d5 Cr (Chromium)
Element with e. configuration ending of 4s1 3d10 Cu (Copper)
The 3 e. configuration rules work up to (and includes) this element V (Vanadium)
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)
the rule for e. configuration of d block elements period minus 1
visual representation of all the electrons an atom has electron configuration
outermost electrons ; highest energy level; determines chemical properties valence
inner electrons; closest to the nucleus; lower energy core
3 ways that electrons can be visually represented dots, arrows, super scripts
region in space where you expect to find electrons atomic orbital
What group can be used as a short cut for writing e. configurations of 1A or 2A elements Noble Gases
shape of s orbitals sphere
shape of p orbitals dumb bell
Element with e. configuration ending of 4s2 3d5 Mn (Manganese)
Element with e. configuration ending of 4s2 3d10 Zn (Zinc)
Created by: cadetjt