Review Test 3 CHM 2045

03/30/99

 I Atomic Structure a) electromagnetic radiation l n = c

(Hz, wavelength etc)

 b) E= hn (Photoelectric effect) c) Line spectra and the Rydberg equation (eq 7.4 and 7.5)

d) Schrodinger equation (Really important)

 
*orbitals

* 4 quantum numbers

1) possible combinations

2) energetic arrangement

 * electron configuration

* paramagnatism and diamagnetic

* Pauli exclusion principle

* Ionization energy

* Atomic properties and periodic trends

 II Covalent Bonding a) valance electrons

b) chemical bond formation

c) Lewis Dot structures (Really important)

 
* Exceptions to octet rule

* Resonance structures

* Formal charges

* Bond order

* Bond length

* Bond energy
 

 d) VSEPR theory  
* electron pair geometry

* molecular geometry

* bond angles
 

 e) Bond polarity  
* bond polarity

* molecular polarity