Drill: Determine the names of the following ions: Na+ Br-

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Presentation transcript:

Drill: Determine the names of the following ions: Na+ Br-

Objective: The student will be able to: Explore Ionic compounds in order to name and write formulas for them.

SAT/HAS Enrichment: Algae leave the coral when the water is too warm. What kind of factor is temperature on this relationship? a. biotic b. abiotic c. parasitic d. commensalistic

Ionic Compounds (Metals and Nonmetals) Writing Formulas Ionic Compounds (Metals and Nonmetals)

Exploration Complete Writing formulas for ionic compounds (practice problems) worksheet (as a class). Any Questions????

Exploration Complete Writing Formulas for Binary Ionic Compounds worksheet. Think – Pair – Share Complete the worksheet (20 min) Compare your worksheet with your partner beside you. (5 min) Share answers with the whole table. (5 min) Each table will review answers with the class. (10 min)

Explanation Write a few monatomic ions and polyatomic ions on the board. Ask students to explain the differences and determine a definition for polyatomic ion.

Explanation Observe the following ions. S-2 Sulfide SO3 -2 Sulfite SO4 -2 Sulfate Explain what the different endings mean in terms of the formulas for the ions above. Identify the ions that are monatomic and polyatomic.

Explanation Complete Writing Formulas for Ionic Compounds with Polyatomic Ions. Think – Pair – Share Complete the worksheet (10 MIN) Compare your worksheet with your partner beside you. (5 MIN) Each PAIR will review answers with the class. (5 MIN)

Homework Assignment Writing Formulas for More Ionic Compounds with Polyatomic Ions Be sure to only pick 3!

Summary Questions Did we accomplish the objective? Explain. How do ionic compounds form? How are the charges of ions determined? What is the difference b/w monatomic and polyatomic compounds? Design a way to remember how to determine the name of ionic compounds. Identify a method that can be used to determine how to write the formula of an ionic compound.

Exit Card Quiz: Complete the following on an index card.