Electron Orbitals Flashcards
Who found the particle and wave duality?
deBroglie
Who’s principle says you can’t know both momentum and position?
Heisenberg
Who’s principle says that no 2 e- can have same quantum numbers?
Pauli’s exclusion principle
What rule says that 2e- can’t be in orbital if they are not all half filled?
Hund’s rule
What are the 2 e- configuration exceptions?
Cu and Cr
What principle says that each orbital can only have 2e- and the lowest must be filled first?
Aufbau principle
Cations make the atom ….
Smaller
Anions make the atom…
Larger
Which trend is highest at top right?
Ionization energy
What trend is highest at bottom left?
Electron affinity and increasing radii
Covalent bonds are between what types of elements?
Nonmetals
Ionic bonds are between what elements?
Metal and nonmetal
What are the zip codes for electrons?
Quantum numbers
N describes what?
Energy level; principal
L describes what?
Shape of orbital; angular momentum
Ml describes what?
Orientation and is -l to l; magnetic number
Ms describes what?
Spin and is +1/2 or -1/2
What gives us orbital shapes and energies?
Schrödinger’s eqn
What is valence e- - ( lone e- + bonding pairs)
Formal charge
What predicts molecular geometry and shape?
VSEPR model
Central atom is _______ electronegative
Least
What is Zeff?
Effective nuclear charge
What is protons- core e-?
Zeff
