Do Now Draw a Lewis Structure for SrO Draw a Lewis Structure for CH2O.

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Presentation transcript:

Do Now Draw a Lewis Structure for SrO Draw a Lewis Structure for CH2O

Aim How can compounds form both covalent and ionic bonds?

Introduction Draw a Lewis structure of NaCl, then check this molecule for proper octets. What would it look like if Na and H switched places between the two compounds?

Introduction Pick the best spot to divide these salts into their similar components: A)KCl B) GaH3 C) Al2O3 Pick the best spot to divide this compound into its similar components:

New Idea: Polyatomic ions

Regents Review, Round 1 Which compound contains only ionic bonds? HNO3 NH4Cl H2O Na2O

Regents Review, Round 2 Which compound contains both ionic and covalent bonds? HBr CBr4 NaBr NaOH

Regents Review, Round 3 Which is the formula for sodium perchlorate? NaClO NaClO2 NaClO3 NaClO4

Regents Review, Round 4 Which compound contains both ionic and covalent bonds? Ammonia Methane Sodium nitrate Potassium chloride

Regents Review, Round 5 Which compound contains both ionic and covalent bonds? CaCO3 PCl3 MgF2 CH2O