Properties And Uses Of Metals And Nano-scale Particles Flashcards
What are the uses of aluminium? Atleast 4/6
High-voltage power lines, saucepans, window and greenhouse frames, drinks cans, aeroplane and car parts
What are the properties of aluminium?
Strong, low density, good conductor of heat and electricity, resistant to corrosion
What are the properties of copper?
Good conductor of heat and electricity, malleable, ductile, lustrous, attractive colour
What are the uses of copper? Atleast 4/6
In alloys like brass and bronze, water pipes, electrical wires, jewellery, ornaments and saucepan bottoms
What are the properties of titanium?
Hard, strong, low density, high melting point, resistant to corrosion
What are the uses of titanium? Atleast 5/8
Jet engines, spacecraft parts, industrial machine parts, car parts, medical implants strengthening steel, jewellery and sports equipment
What is an alloy?
Mixtures of two or more metals made by combining the molten metals
What is the composition and an example of its use for brass?
Composition- copper and zinc
Example- musical instrument
What is the composition and an example of its use for bronze?
Composition- copper and tin
Example- sculptures and statues
What is the composition and an example of its use for stainless steel?
Composition- iron, carbon and chromium
Example- surgical instruments
What is the range of size of nano particles?
1 and 100nm
What is the most common nano particle and what are they used for?
Silver nano particles. It is known for its antibacterial properties. Used for medical dressings, soap and clothes etc
What are gold nano particles used for?
To manufacture solar panels
What are the potential health risks of nano-particles?
can be toxic and easily breathed in as they are so small.