Essential Questions
1. To what extent do the properties of beryllium make it unique among metals?
2. In what contexts is beryllium extracted from its ores, and why is this process significant?
3. How important is the use of beryllium in various applications compared to other metals?
4. What are the implications of beryllium's properties in comparison to other metals?
5. How does the presence of beryllium in major minerals impact its extraction and use in various applications?
6. How does the use of beryllium in various applications contribute to its significance in the field of materials science?
Learning Objectives
1. Recognize the countries that are major producers of Beryllium 2. Identify the chemical element Beryllium
3. Understand the process of extracting Beryllium from its ores
4. Understand the relationship between the properties of Beryllium and its uses in specific industries 5. Explain the unique properties of Beryllium that make it valuable in various applications
6. Identify the minerals that contain Beryllium
7. Recognize the uses of Beryllium in various industries 8. Understand the occurrence of Beryllium in nature
9. Understand the historical and scientific background of the discovery of Beryllium Questions
1. Which country is the largest producer of Beryllium in the world?
A. China B. Mozambique C. Brazil D. United States
○ Correct answer: D. United States
2. What is the chemical element that is the lightest member of the alkaline-earth metals?
A. Beryllium B. Sodium C. Magnesium D. Lithium
○ Correct answer: A. Beryllium
3. What is the primary method used to extract Beryllium from its ores?
A. Electrolysis
B. Roasting with complex fluorides C. Heating with carbon
D. Liquid-liquid extraction
○ Correct answer: D. Liquid-liquid extraction
4. In which industry is Beryllium commonly used for making mirrors and camera shutters?
A. Construction B. Medical C. Aerospace D. Automotive
○ Correct answer: C. Aerospace
5. What unique property of Beryllium makes it valuable for structural and thermal applications?
A. High modulus of elasticity B. Low melting point C. High reactivity with acids D. Excellent electrical conductivity
○ Correct answer: A. High modulus of elasticity
6. Which mineral is NOT commonly associated with containing Beryllium?
A. Hematite B. Phenakite C. Bertrandite D. Beryl
○ Correct answer: A. Hematite
7. What is the primary reason Beryllium is extensively used in making windows for X-ray tubes?
A. Excellent heat capacity B. High electrical conductivity C. Good mechanical properties D. Low atomic weight
○ Correct answer: D. Low atomic weight
8. What is the estimated occurrence of Beryllium in Earth's igneous rocks?
A. 10 percent B. 5 percent C. 1 percent
D. 0.0002 percent
○ Correct answer: D. 0.0002 percent 9. In which minerals is Beryllium commonly found?
A. Calcite and Gypsum B. Quartz and Feldspar C. Hematite and Magnetite D. Beryl and Emerald
○ Correct answer: D. Beryl and Emerald
10. Who discovered Beryllium as the oxide in beryl and emeralds in the late 18th century?
A. Nicolas-Louis Vauquelin B. Isaac Newton
C. Friedrich Wöhler D. Antoine A.B. Bussy
○ Correct answer: A. Nicolas-Louis Vauquelin
