Metals and Alloys Flashcards
1
Q
Why are electrons in the outer shell of metal atoms free to move through the whole structure?
A
Because they are delocalised
2
Q
Which part of a metal is most important in transferring thermal energy?
A
It’s delocalised electrons
3
Q
How are the atoms arranged in a metal?
A
in layers
4
Q
Why do metals have high melting points?
A
They have strong metallic bonds
5
Q
Why can metals be bent and shaped?
A
Because their atoms are arranged in layers which slide over each other
6
Q
What is an alloy?
A
A mixture of two or more elements
