Chapter 3.10 Giant metallic structures Flashcards
1
Q
Why can metals be bent into shape?
A
This is because the layers of atoms (or positively charged ions) in a giant metallic structure can slide over each other.
2
Q
Why are alloys harder than pure metals?
A
This is because the regular layers in a pure metal are distorted by atoms atoms of different sizes in an alloy.
3
Q
What two things do delocalised electrons in a metals enable them to transfer through them?
A
They enable electricity and thermal energy to be transferred.
4
Q
What is the definition of an alloy?
A
An alloy is a mixture of two or more elements, at least one of which is a metal.