Chapter 9 Chemical Names and Formulas 9.1 Naming Ions 9.2 Naming and Writing Formulas for Ionic Compounds 9.3 Naming and Writing Formulas for Molecular Compounds 9.4 Naming and Writing Formulas for Acids and Bases 9.5 The Laws Governing How Compounds Form Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

Do Now: Identify the following as ionic or covalent MgS CO2 Cu3N2 NO CCl4 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

Naming Molecular Compounds Look at the list of covalent compounds. What patterns can you find in how they are named? FORMULA NAME NO2 Nitrogen Dioxide N2O3 Dinitrogen Trioxide CCl4 Carbon Tetrachloride Cl2O Dichlorine Monoxide S2Cl2 Disulfur Dichloride Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

Binary Molecular Compounds Prefixes Used in Naming Binary Molecular Compounds Prefix Number mono- 1 di- 2 tri- 3 tetra- 4 penta- 5 hexa- 6 hepta- 7 octa- 8 nona- 9 deca- 10 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

Binary Molecular Compounds Naming binary molecular compounds Write names of elements in the order listed in formula. Use prefixes to indicate number of each kind of atom. - Mono is not used on the first element. - Vowel at end of prefix is sometimes dropped End the name of the second element with the suffix -ide. Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

Name the following Binary Molecular Compounds. N2O PCl3 Sample Problem 9.6 Name the following Binary Molecular Compounds. N2O PCl3 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

Writing Formulas for Binary Molecular Compounds nitrogen trifluoride Sample Problem 9.7 Writing Formulas for Binary Molecular Compounds nitrogen trifluoride disulfur dichloride Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.

END OF 9.3 Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved.