c6.1.13 different materials Flashcards

1
Q

what is a ceramic

A

a hard, non-metallic material

they contain metals and non-metals combined to form giant ionic lattices or giant covalent structures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

examples of ceramic

A

glass
brick
china
porcelain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

typical properties of a ceramic

A

high melting point
hard and stiff
poor conductors of electricity and heat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what is glass

A

made by melting sand
has an irregular giant structure without crystals
transparent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

other ceramics are made by…

A

heating clay to high temperatures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

choosing for an electrical cable

A

good conductor of electricity
lightweight
strong
resist corrosion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

choosing for insulators

A

poor conductors of electricity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly