Can you name the element used in making each of these articles: pencils, thermometer, electric wires, and foil paper?
Understand the Problem
The question is asking to identify the elements used in common items depicted in the pictures, specifically pencils, a thermometer, electric wires, and foil paper.
Answer
Pencils: carbon; Thermometer: mercury or gallium; Wires: copper; Foil paper: aluminum.
The elements used are: pencils - carbon (graphite), thermometer - mercury or gallium, electric wires - copper, foil paper - aluminum.
Answer for screen readers
The elements used are: pencils - carbon (graphite), thermometer - mercury or gallium, electric wires - copper, foil paper - aluminum.
More Information
Graphite, a form of carbon, is used in pencils. Traditional thermometers commonly used mercury, although gallium is a safer alternative. Copper is a great conductor for wires, while aluminum is often used in foil paper due to its pliability and cost-effectiveness.
Tips
Ensure you're considering the commonly used elements for each article and any modern substitutes that might be used.
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