Nano-scale particles

Question 0

Give some properties and uses of copper

Answer 0

Properties - very good conductor of heat and electricity, malleable, ductile lustrous, attractive colour

Uses - in alloys like brass and bronze, water pipes, electrical wires, jewellery and ornaments, saucepan bottoms

Question 1

Give the properties and uses of aluminium

Answer 1

Properties - strong low density good conductor of heat and electricity resistant to corrosion

Uses - high voltage power lines saucepans window and greenhouse frames drink cans aeroplane and car parts

Question 2

What are the properties and uses of titanium

Answer 2

Properties - hard strong low in density high melting point resistant to corrosion

Uses - jet engine and spacecraft parts industrial machine parts car parts medical implants strengthening steel jewellery sports equipment

Question 3

What are alloys

Answer 3

Alloys are mixtures of two of more different metals (or carbon) made by combining the molten metals

Question 4

How small are nano particles

Answer 4

Between 1 and 100 nano metres in size

Question 5

How bing is 1 nano metre

Answer 5

1nm = 1x10-9m