Alloys Flashcards
1
Q
Suggest two reasons why 9 carat gold is often used instead of pure gold to make jewelry
[2 marks]
A
9 carat gold is less expensive
9 carat gold is harder
2
Q
What is a mixture of metals called?
A
An alloy
3
Q
What is a diatomic element?
A
Molecules containing two atoms bonded together
