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E. Configurations
Review of electron configurations
Question | Answer |
---|---|
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 |