1. Aim: Writing covalent Formulas and Names Notes 7-4

2. 1.) All Binary 1.) All Binary 2.) From Formula to Name 2.) From Formula to Name a.) two ways for name (traditional and stock system) a.) two ways for name (traditional and stock system) b.) traditional b.) traditional 1.) using prefixes for atoms 1.) using prefixes for atoms a.) 1-mono a.) 1-mono b.) 2-di b.) 2-di c.) 3-tri c.) 3-tri d.) 4-tetra d.) 4-tetra e.) 5 penta e.) 5 penta 2.) If first part has only 1 atom, then no prefix 2.) If first part has only 1 atom, then no prefix 3.) 2nd element ends in –ide 3.) 2nd element ends in –ide

3. c.) stock system c.) stock system 1.) same as ionic 1.) same as ionic a.) find the oxidation state of the first element a.) find the oxidation state of the first element b.) 2nd element has the top oxidation state b.) 2nd element has the top oxidation state c.) both have to multiply to cancel out by addition c.) both have to multiply to cancel out by addition

4. 3.) Name to Formula 3.) Name to Formula a.) traditional- the prefixes are the subscripts a.) traditional- the prefixes are the subscripts b.) stock system – criss-cross and reduce b.) stock system – criss-cross and reduce