Download Unit 4 Objectives

Unit 4 Objectives
Students should be able to:
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describe ionic, covalent and metallic bonds and explain their characteristics
explain the octet rule and why it is reasonable
explain the factors affecting lattice energy
determine melting point trends using lattice energy
create Lewis dot structures and use them to predict molecular geometry
explain how multiple bonds are formed
explain and predict bond polarity
define resonance and predict when it will occur
explain exceptions to the octet rule( odd number of electrons, less than, more
than)
10. calculate reaction enthalpy from bond enthalpies
11. compare length and strength of single, double and triple bond
12. predict electron domain and molecular geometry
13. discuss the affect of non-bonding electrons on geometry and bond angles
14. predict polarity of a molecule based on shape
15. describe why a bond dipole forms
16. identify the hybridization of molecules