Polymer Structure

Question 1

Monomer

Answer 1

Single

Question 2

Polymer

Answer 2

Thousand of atoms
Solid at room temp
High melting point, strong bonds

Question 3

Polymerisation?

Answer 3

Process of joining many small units together to make a long chain of polymer

Question 4

Pollypropene

Answer 4

Intermolecular forces are weak
Chains can slip: graphite 
Polymer chain
Low melting point & low melting point 
Light , gases, flexible

Question 5

Dot and cross

Answer 5

Accurate:
Show the change of ions
Shows electrons are from

Inaccurate:
Electrons are filled in position
Doesn’t show 3D
Don’t know the size

Question 6

Ball and stick?

Answer 6

Accurate:
Shows shape
Spheres represent atoms
Different colour show different elements

Inaccurate:
It’s space in between
Doesn’t show movement
Doesn’t show scale

Question 7

Space filling

Answer 7

Accurate:
Shows structure
Shows bonding and bonding angle

Inaccurate:
Doesn’t show the type of ‘bond’
Can’t represent the millions of ions present in the structure

Question 8

3D

Answer 8

Accurate:
Shows ion arrangement
Lattice structure

Inaccurate:
Only shows outside
Doesn’t show millions of ions present

Question 9

2D

Answer 9

Accurate:
Simple
Shows there connected
Colours for each element

Inaccurate:
Doesn’t show shape
No idea of size of ions