. 9/26/11 82 Writing Chemical Formulas 10/27/2015 81 Writing Chemical Formulas 10/27/2015 Starter: What is the formula for these molecules? Application/Connection:

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. 9/26/11 82 Writing Chemical Formulas 10/27/ Writing Chemical Formulas 10/27/2015 Starter: What is the formula for these molecules? Application/Connection: Ws: Great Combinations Exit: How many elements/compounds are in the equation: C 3 H 8 + 5O 2  3CO 2 + 4H 2 O? Practice: Name the elements in each of the compounds, then count the number of atoms in each EQ: How does the structure of matter explain its properties and the changes it under goes?

S TARTER What is the formula for these molecules? NO H2OH2O NO 2 CO 2

O CTOBER 27, 2015 AGENDA 8.5 D. I WILL BE ABLE TO RECOGNIZE THAT CHEMICAL FORMULAS IDENTIFY SUBSTANCES AND USED TO DETERMINE THE NUMBER OF ATOMS OF EACH ELEMENT IN CHEMICAL FORMULAS BY READING, AND WRITING WHILE COMPLETING AN ACTIVITY 1 Starter 2. Practice 3. Activity 4. Exit Ca (H 2 PO4)2 H2OH2O NaCl C2H4O2C2H4O2

Table of Contents DateLecture/ Activity/ Lab Page 10/2 Metals, Nonmetals, and Metalliods /5 Comparing Elements Lab /6 Periodic table Graphic Organizer /7 Coloring the periodic table /8 Periodic Puzzles /12 Bohr Model Challenge Wheres Al /15 Density /16 Density Lab /19 Molecules, Compounds, and Elements /20 Element and Compound Activity /22 Counting Atoms /23 Counting Atoms with Coefficients /26 Writing Chemical Formulas /27 Writing Chemical Formulas 81-82

P RACTICE Name the elements in each of the compounds, then count the number of atoms in each 2- Carbon 6- Hydrogen 1- Sodium 1- Hydrogen 1- Carbon 3- Oxygen 6- Carbon 12- Hydrogen 6- Oxygen 1- Carbon 2- Oxygen

. 9/26/11 82 Writing Chemical Formulas 10/27/ Writing Chemical Formulas 10/27/2015 Starter: What is the formula for these molecules? Application/Connection: Ws: Great Combinations Exit: How many elements/compounds are in the equation: C 3 H 8 + 5O 2  3CO 2 + 4H 2 O? Practice: Name the elements in each of the compounds, then count the number of atoms in each EQ: How does the structure of matter explain its properties and the changes it under goes?