Chapter 1: Movie Special Effects

Active Chemistry Chapter 1: Movie Special Effects Activity #8: Identifying Matter

Names: Group___

Goals: 1.

5. What do You Think (Use complete sentence)

Vocabulary

electron-

flame test-

nucleus- Data Part 1 (10 points) Place the data in this chart Station No. Flame Color Chemical Chemical Produced Name of Formula of solution solution 1

* Repeat the process again at Station 8. An Unknown Solution. Observe the color of the flame that is produced and identify the correct ion that produced the flame color by referring back to the original chart you created above. Data Part 2 (10 points) Station No. Flame Color Unknown Solution Produced Write the Chemical Formula on the line below

8 : UK#______Chem Talk: Answer question 1 to 8 in complete sentences. Calculate the answers Identifying Elements Using Electrons

1. Was the process of the solution giving off colors a chemical reaction ?

2. Explain how the electrons of the metal ions give off light during the flame test.

3. Why do different atoms give off a unique color?

4. Why type of solutions were you testing?

5. What happens when electrons fall from a higher energy level to a lower energy level?

6. How did the electrons get to a higher energy level?

7. Write an equation to show the energy of light given off during the flame test.

8. Is the energy conserved as the light energy is given off?

9. Estimate in nanometers, the wavelength of the CuNO3 solution. (Check Act 5 Lab Green Card)

10. Calculate the frequency of the light energy given off by the Cu electrons.

11. Calculate the Energy (E = h f ) for the light energy given off by Cu. Chemistry to Go p59

1. Compare the colors…

2. Develop a Series of Sketches… Integrated Chemical Earth Science

Active Chemistry: Chapter 1

Activity 8: Identifying Matter

Group # ____ Date ______

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