Metals Flashcards
0
Q
What are the layers of atoms in metals able to do?
A
Slide over eachother so metals can be bent and shaped
1
Q
Why do metals conduct heat and electricity?
A
Because of the delocalised electrons in their structures
2
Q
Wha are alloys usually made from?
A
Two or more different metals
3
Q
What do the different sized atoms of the metals do
A
Distort the layers in the structure making it more difficult for them to slide over each other
4
Q
What are alloys harder than?
A
Pure metals
5
Q
What can shape memory alloys do?
A
Return to their original shape after being deformed
E.g nitinol used in braces
