Objectives:
(1) Assess students ability to name ionic compounds in which the cation can have more than a single valence.
Lesson:
(1) Begin with quick assessment of student ability to name binary monovalent ionic compounds and ionic multivalent ionic compounds-teacher assess on the fly [students' named binary monovalent well, but EVERYONE failed to name multivalent cations with Stock system names]. (2) Review multivalent metals and Stock naming system. (4) Students make ion models to to demonstrate, in kinesthetic way, how ionic compounds form and how charges must "match" or "cancel." (5) Re-assign students to name all 30 problems on "multivalent" handout-see below.
Assignment:
(1) Students practice naming ionic compounds for multivalent cations after re-teaching lesson today.
