Flashcards on Properties and Uses of Key Elements
Properties and Uses of Key Elements: A Student's Guide
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Chemical Elements
13 cards
Card 1
Question: What is the chemical symbol for Potassium and where is it commonly found?
Answer: K; found in bananas, in the Earth's crust, and in oceans.
Card 2
Question: List three uses of potassium.
Answer: Fireworks and pyrotechnics, fertilizers, and nuclear reactors.
Card 3
Question: What is the chemical symbol for Iron and why is iron important in Earth's structure?
Answer: Fe; iron is the most abundant element in the Earth and the molten iron core generates Earth's magnetic field.
Card 4
Question: Name two biological or practical roles of iron.
Answer: Found in hemoglobin (biological) and used in steel and in magnets (practical).
Card 5
Question: What is the chemical symbol for Copper and what are three common uses?
Answer: Cu; used in wiring, in coins, and in pesticides.
Card 6
Question: What property of copper makes it especially useful for electrical applications?
Answer: Copper is an excellent conductor of electricity.
Card 7
Question: What is the chemical symbol for Zinc and which foods are mentioned as sources of zinc?
Answer: Zn; sesame seeds, wheat, mustard, and nuts.
Card 8
Question: Describe three industrial uses or applications of zinc.
Answer: Forms alloys (e.g., brass with copper); used in batteries; used in production of plastics, paints, rubber materials, and in fluorescent lights.
Card 9
Question: What is the chemical symbol for Titanium and where is it typically found?
Answer: Ti; found in rocks and minerals.
Card 10
Question: List three key properties of titanium and three applications based on those properties.
Answer: Properties: very strong, light, resistant to corrosion. Applications: used in paints, aircraft, and desalination processes.