9.1 Properties, Uses & Alloys of Metals Flashcards
1
Q
Define Malleable
A
Can be hammered and made into different shapes
2
Q
Define Ductile
A
Can be drawn into wires
3
Q
Why do metals have high melting and boiling points?
A
Strong electrostatic attraction between oppositely charged ions which requires a lot of energy to break
4
Q
What is aluminium used for?
A
food cans / saucepans / power cabels
5
Q
What is copper used for?
A
wiring / water pipes / pots and pans
6
Q
Define an alloy
A
A mixture of metal with other elements (metal and non-metal)
7
Q
Give two examples of allows
A
Brass and Stainless Steel
8
Q
Why are alloys stronger than normal metals?
A
The distorted arrangement makes it harder for particles to slide over one another
