Name:____________________________________ Block :_____ Date: _____________________________________ Chemical Formulas and Names Over the next three classes you will be in the computer lab. Your task will be to read through the powerpoint notes called “chemical formulas and names”, and use what you learn there to answer the following questions. (You can also refer to the 86 – 92 for practice questions you can try before doing each section of this worksheet) Section 1: Naming simple ionic compounds Practice: Name the following ionic compounds, and then check your answers with the answers provided at the end of this worksheet 1. NaI 2. ZnCl2 3. RaO 4. AlN Now name the following ionic compounds (this section may be marked) 1. AL2O3 _______________________________ 2. Mg3N2 _______________________________ 3. Na2S _______________________________ 4. Li2O _______________________________ 5. BaF2 _______________________________ 6. K3P _______________________________ 7. KCl _______________________________ Section 2: Writing formulas for simple ionic compounds Practice: Write the formulas for the following ionic compounds, and then check your answers with the answers provided at the end of this worksheet 1. Sodium bromide 2. Calcium chloride Now write the formulas for the following ionic compounds (this section may be marked) 1. Potassium oxide _______________________________ 2. Lithium nitride _______________________________ 3. Magnesium sulphide _______________________________ 4. Sodium fluoride _______________________________ 5. Aluminum iodide _______________________________ 6. Calcium phosphide _______________________________ Section 3: Writing formulas for multivalent compounds Practice: Write the formulas for the following multivalent compounds, and then check your answers with the answers provided at the end of this worksheet 1. Iron (II) oxide 2. Iron (III) sulphide Now write the formulas for the following multivalent compounds (this section may be marked) 1. Copper (I) chloride _______________________________ 2. Iron (II) oxide _______________________________ 3. Lead (IV) oxide _______________________________ 4. Lead (II) oxide _______________________________ 5. Chromium (II) bromide _______________________________ 6. Copper (II) nitride _______________________________ 7. Tin (IV) phosphide _______________________________ 8. Manganese (II) iodide _______________________________ 9. Bismuth (V) nitride _______________________________ Section 4: Writing names for multivalent compounds Practice: Write the names for the following multivalent compounds, and then check your answers with the answers provided at the end of this worksheet 1. FeCl2 2. Cu2O 3. SnO 4. CuCl Now write the names for the following multivalent compounds (this section may be marked) 1. CuBr2 _______________________________ 2. PbO2 _______________________________ 3. PbO _______________________________ 4. CrN _______________________________ 5. Cr2O3 _______________________________ 6. MnF4 _______________________________ 7. NiS _______________________________ 8. Ti3P4 _______________________________ 9. NiI3 _______________________________ 10. Hg2S _______________________________ 11. VBr5 _______________________________ Section 5: Writing names for polyatomic compounds Practice: Write the names for the following polyatomic compounds, and then check your answers with the answers provided at the end of this worksheet 1. Sc(OH)3 3. Pb(SO4)2 2. NH4F 4. Mn2(SO3)3 Now write the names for the following polyatomic compounds (this section may be marked) 1. Be(HCO3)2 _______________________________ 2. Al(CN)3 _______________________________ 3. NH4Cl _______________________________ 4. CaCO3 _______________________________ 5. Li2SO3 _______________________________ 6. Sr(C2H3O2)2 _______________________________ 7. Ag3PO4 _______________________________ 8. Y(ClO3)3 _______________________________ 9. KMnO4 _______________________________ 10. CdSO3 _______________________________ 11. NiPO4 _______________________________ 12. V2(SO4)2 _______________________________ 13. Ti(CN)3 _______________________________ 14. CoCO3 _______________________________ 15. CuNO2 _______________________________ 16. Fe(HCO3)3 _______________________________ Section 6: Writing formulas for polyatomic compounds Practice: Write the formulas for the following polyatomic compounds, and then check your answers with the answers provided at the end of this worksheet 1. Lithium acetate 2. Beryllium hydroxide 3. Chromium (II) phosphate 4. Vanadium (IV) carbonate Now write the formulas for the following polyatomic compounds (this section may be marked) 1. Zinc carbonate _______________________________ 2. Potassium hydroxide _______________________________ 3. Silver cyanide _______________________________ 4. Strontium acetate _______________________________ 5. Tin (II) nitrite _______________________________ 6. Titanium (II) acetate _______________________________ 7. Chromium (III) hydroxide _______________________________ 8. Iron (III) phosphate _______________________________ 9. Copper (II) chlorate _______________________________ 10. Cobalt (III) chromate _______________________________ 11. Lead (IV) sulphate _______________________________ 12. Molybdenum (II) sulphate _______________________________ 13. Ammonium sulphate _______________________________ If you have not already done so, read through pages 86 - 92 in the text book and do the practice questions you find there. (Do then on a separate piece of paper and do not hand them in) Answers for practice questions in this worksheet Section 1: 1. Sodium Iodide 2. Zinc Chloride 3. Radium Oxide 4. Aluminum Nitride Section 2: 1. NaBr 2. CaCl2 Section 3: 1. IO 2. Fe2S3 Section 4: 1. Iron (II) chloride 2. Copper (I) oxide 3. Tin (II) oxide 4. Copper (I) chloride Section 5: 1. Scandium hydroxide 2. Ammonium fluoride 3. Lead (IV) sulphate 4. Manganese (III) sulphite Section 6: 1. LiCH3COO 2. Be(OH)2 3. Cr3(PO4)2 4. V(CO3)2