Today is Tuesday, 10/19/21

Learning Target:

I can describe the parts of a chemical equation and explain how balancing the equation supports the Law of Conservation of Mass.

Working on being:

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Agenda:

1.Video- Chemical Formulas

2. Counting Atoms

3. Parts of a Chemical Equation

4. Exit Ticket

5. Pre-Assessment

6. More Practice

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Materials:

• Laptops!
• Notebooks
• Pen/Pencil

When reading a chemical formula, the _______________________ represents the number of molecules. Each element __________ has 1 capital letter. Each elements may have a ________________ which is the number of atoms of that element in the __________________. If no subscript is written, it is assumed to be 1.

Symbol

Subscript

Coefficient

Compound

12

5CO₂

C

O

5

10

13

4C₆H₁₂

C

H

24

48

15

3Mg₃(PO₄)₂

Mg

P

9

6

24

O

Chemical equations

This weeks vocabulary.

Add the definitions of these terms

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Reactant:

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Product:

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3

Exit ticket for the day

For this equation:

Fe(s) + S(s) → FeS(s)

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What are the reactants?

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What are the products

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For these chemical formulas, list the elements and the number of atoms for each

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Al₂O₃

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CH₃COOH

(Hint: add similar elements together)

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