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s- sphere 1 orbital containing max of 2 electrons
p- peanut, dumbbell, 3 orbitals containing 6 electrons
d- clover, 5 orbitals containing 10 electrons find it subtracts 1 from energy level
f- flower, 7 orbitals containing 14 electrons, it subtracts 2 from energy level
1s (1 is energy level, s is sublevel)
Aufbau's principle- electrons fill from lowest to highest energy (s must be filled before p)
Hund's rule- electrons enter orbits one at a time to minimize repulsion (one before the other going same way, when full, one before other going opposite way)
Pauli's Extension Principle- each orbital can hold two electrons with opposite spins (One arrow up, one arrow down)
Atomic radius is only one that decreases left to right, (big is left, small is right) (small is top, big is bottom) big to small across, small to big vertical
Ionization energy and E.N. are only ones that decreases Up to down (top is big, bottom is small) (left is small, right is big) small to big across, big to small vertical
Metals lose electrons making them cations and have low EN
Nonmentals gain electrons making them anions and have high EN
Ionization energy is needed to pull an electron from an atom
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