CHM 1025  
   
Exam #3 Review Sheet  
   
Chapters 11 and 12  
   
Know how to define the following:  
  • anion
  • bond polarity
  • bonding electrons
  • cation
  • chemical bond
  • covalent bond
  • double covalent bond
  • electron-dot structure
  • electronegativity
  • formula unit
  • ion
  • ionic bond
  • isoelectronic
  • molecular geometry
  • monoatomic ion
  • nonbonding electrons
  • nonpolar covalent bond
  • octet rule
  • polar covalent bond
  • polyatomic ion
  • resonance structures
  • single covalent bond
  • triple covalent bond
  • valence electrons
  • VSEPR theory
   
Be able to:  
  • Calculate the number of valence electrons of any representative element
  • Draw electron dot structures for atoms
  • Calculate the number of protons and electrons in an ion
  • Write the correct formula of the ion formed when and atom loses or gains electrons
  • Predict whether an element will gain or lose electrons when it becomes and ion, and what charge it will obtain using the periodic table
  • Write electron configurations for ions
  • Identify isolectronic ions and atoms
  • Draw electron-dot structures for ionic compounds
  • Write the formula for a binary ionic compound given the component ions
  • Write the formula for an ionic compound containing polyatomic ions given the component ions.
  • Draw Lewis dot structures for covalent compounds
  • Determine electronic and molecular geometry using VSEPR theory
  • Arrange elements in terms of increasing or decreasing electronegativity based on their position in the periodic table
  • Determine the polarity of a bond
  • Determine whether a bond is nonpolar covalent, polar covalent or ionic give the electronegativities of the component elements
   
   
Chapter 6  
   
Know how to define:  
  • acid
  • binary compound
  • binary ionic compound
  • binary molecular compound
  • chemical nomenclature
  • fixed-charge metal
  • oxyacid
  • oxyanion
  • ternary compound
  • variable-charge metal
   
Be able to:  
  • Calculate the oxidation state of a variable-charge metal in an ionic comound
  • Write the names and formulas of polyatomic ions
  • Given the formula, write the name of binary ionic compounds with fixed-charge metals
  • Given the formula, write the name of binary ionic compounds with variable-charge metals
  • Given the name, write the formula of binary ionic compounds with fixed-charge metals
  • Given the name, write the formula of binary ionic compounds with variable-charge metals
  • Given the formula, write the name of ionic compounds containing polyatomic ions
  • Given the name, write the formula of ionic compounds containing polyatomic ions
  • Given the formula, write the name of binary covalent compounds
  • Given the name, write the formula of binary covalent compounds
  • Given the formula, write the name of binary acids
  • Given the name, write the formula of binary acids
  • Given the formula, write the name of oxyacids
  • Given the name, write the formula