Flame Test Worksheet
Explore the principles of flame tests, identifying different metal ions by the characteristic colors they produce when heated in a flame.
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Flame Test Exploration
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of flame tests and their applications.
1. What causes the different colors observed in a flame test?
The temperature of the flame.
The type of fuel used in the burner.
Electrons moving between energy levels in metal ions.
The presence of oxygen in the air.
2. Which of the following elements typically produces a bright red flame in a flame test?
Sodium
Potassium
Lithium
Copper
3. A flame test is a qualitative analytical method used to identify the presence of certain metal in a compound.
4. When heated in a flame, the electrons in metal ions absorb energy and jump to higher levels.
5. The characteristic color produced in a flame test is due to the emission of as electrons fall back to their original energy levels.
6. Describe the general procedure for conducting a flame test. What safety precautions should be taken?
7. Explain why different metal ions produce different colors in a flame test.
Match the metal ion with its characteristic flame test color.
8. Lithium
a. Lilac
9. Sodium
b. Brick Red
10. Potassium
c. Crimson Red
11. Calcium
d. Orange-Yellow
12. Copper
e. Blue-Green