Organic Chemistry

Ionic Bond
Ions held together by an electrostatic attraction
Covalent Bonds
Sharing electrons
Aufbau Principle
Lowest energy orbitals fill up first (closest to nucleus)
Pauli Exclusion Rule
Paired electrons must have opposite spins
Hund’s Rule
Electrons occupy orbitals until half-full, then occupy each orbital until filled.
Tetrahedral Bond Angle
109.5
Sigma Bond
Formed when two sp3 orbitals come together
Trigonal Planar Bond Angle
120
Pie Bond
Bond between 2 P orbitals
Linear Bond Angle
180
Electronegativity
ability of an atom to attract shared electrons in covalent bond
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