Ionic and Molecular Compound Study Guide Ionic Compounds 1. Which electrons are involved in chemical bonding and responsible for giving the elements their properties? 2. How mane valence electrons do each of the following elements have: a. Aluminum ______ b. Bromine ______ c. Magnesium ______ d. Nitrogen ______ 3. Write the electron dot structure for Calcium and Phosphorus: 4. Define the Octet Rule: 5. Cations have a _______________ charge because they _______________ electrons. 6. Anions have a _______________ charge because they _______________ electrons. 7. Cations are a metal or non-metal? 8. Anions are a metal or a non-metal? 9. Ionic compounds are a bond between a ________________ and a(n) ___________________. 10. Ionic compounds are a bond between a ________________ and a(n) ___________________. 11. Ionic compounds have a net charge of __________. 12. What does a chemical formula show us? 13. Define an Ionic Bond: Molecular Compounds 1. Define a covalent Bond: 2. What is the definition of a molecule: 3. What does a molecular formula show: 4. Describe the purpose of a structural formula: 5. How does the Octet rule apply to covalent bonds? 6. What is the difference between single, double, and triple covalent bonds? 7. What is the purpose of the VESPR Theory: 8. What is the difference between a polar and a non-polar bond. 9. What are the two Van der Waal forces: Ionic vs. Molecular Properties On the line after the property indicate if it is a property of an ionic or molecular compound. 1. Usually a gas or liquid at room temp. ________________________________ 2. Conduct electricity when melted or dissolved in water(solution) ________________________________ 3. Usually consist of a two or more non-metals bonded together ________________________________ 4. Usually consist of a metal bonded to a non-metal ________________________________ 5. Usually a solid a room temp. and can be referred to as a salt ________________________________ 6. Generally high melting and boiling points ________________________________ 7. Generally low melting and boiling points ________________________________ 8. Properties of the compounds can vary depending on composition ________________________________ 9. Mostly Soluble(can dissolve in water) ________________________________ 10. Shape is a repeating 3-d pattern ________________________________ Chemical Nomenclature (Naming Compounds) Part 1: Correctly name the following compounds 1. BrCl ____________________________________________________ 2. SO2 ______________________________________________________________ 3. CuBr2 ______________________________________________________________ 4. MgCl2 ______________________________________________________________ 5. NaOH ____________________________________________________ 6. Li2SO4 ______________________________________________________________________________ 7. C2H6 ______________________________________________________________ 8. N2O3 ______________________________________________________________ 9. IF5 ______________________________________________________________ 10. NiBr2 ______________________________________________________________________________ Part 2: Write the correct formula for the following compounds 1. mercury(II) oxide __________________________________ 2. aluminum sulfate __________________________________ 3. sulfur dioxide __________________________________ 4. nitrogen hydride __________________________________ 5. tetraphosphorus pentoxide __________________________________ 6. zinc nitrite __________________________________ 7. hexaboron silicide __________________________________ 8. calcium bromide __________________________________ 9. sodium acetate __________________________________ 10. carbon tetrachloride __________________________________