Pauli principle
Wolfgang Pauli and Niels Bohr study spin
Σ ∆ l = ±1 ∆ S = 0
Σ ∆ l = ±1 ∆ S = 0
H2H2
H2H2
He 2
He 2 + ion.
H 2 + ion
H 2 - ion
The relative sizes of the lithium 1s and 2s atomic orbitals
Li 2
The three mutually perpendicular 2p orbitals on tow adjacent boron atoms.
The two p oribitals on the boron atom that overlap head-on combine to form bonding and antibonding orbitals.
The expected MO energy-level diagram for the combination of the 2 P orbitals on two boron atoms.
The expected MO energy-level diagram for the B 2 molecule
The correct MO energy-level diagram for the B 2 molecule.
The MO energy-level diagrams, bond orders, bond energies, and bond lengths for the diatomic molecules, B 2 through F 2.
An apparatus used to measure the paramagnetism of a sample
When liquid oxygen is poured into the space between the poles of a strong magnet, it remains there until it boils away. Source: Donald Clegg
The MO energy-level diagram for the NO molecule
The MO energy-level diagram for both the NO+ and CN- ions
A partial MO energy-level diagram for the HF molecule
The electron probability distribution in the bonding MO of the HF molecule
+ ↓