2.4 Giant Metallic Structures Flashcards
0
Q
What is a shape memory alloy?
A
a mixture of metals which respond to changes in temperature
1
Q
Why can metals be made into wires?
A
When stretched atoms slide into new positions without breaking apart
2
Q
2 reason why alloys can be more useful that pure metals
A
harder
can be made/designed to have specific properties/such as memory alloys
3
Q
why metals good conductors of electricity?
A
Delocalised electrons move rapidly through the metal structure