OCR SALTERS CHEMISTRY B: Bonding, Structure and Properties

HideShow resource information
  • Created by: LucySPG
  • Created on: 08-01-14 19:57
What substances have an ionic structure?
Compounds of metals with non-metals such as sodium chloride and calcium oxide
1 of 40
What substances have a covalent network structure?
Some elements in Group 4 and some of their compounds such as diamond, graphite and silica
2 of 40
What substances have a metallic structure?
Metals such as sodium, copper and iron
3 of 40
What substances have a simple molecular structure?
Some non-metal elements and some non-metal/non-metal compounds such as carbon dioxide, chlorine and water
4 of 40
What substances have macromolecular structures?
Polymers such as polyethene, nylon, proteins and DNA
5 of 40
What type of particles do ionic structures have?
Ions
6 of 40
What type of particles do covalent network structures have?
Atoms
7 of 40
What type of particles do metallic structures contain?
Positive ions surrounded by delocalised electrons
8 of 40
What type of particles do simple molecule structures have?
Small molecules
9 of 40
What type of particles do macromolecular structures have?
Long-chain molecules
10 of 40
How are the particles bonded together in ionic structures?
Strong, ionic bonds; attraction between oppositely charged ions
11 of 40
How are the particles bonded together in covalent network structures?
Strong, covalent bonds; attraction of atoms' nuclei for shared electrons
12 of 40
How are the particles bonded together in metallic structures?
Strong, metallic bonding; attraction of atoms' nuclei for delocalised electrons
13 of 40
How are the particles bonded together in simple molecular structures?
Weak intermolecular bonds between molecules; strong covalent bonds between the atoms with molecules
14 of 40
How are the particles bonded together in macromolecular structures?
Weak intermolecular bonds between molecules; strong covalent bonds between the atoms within molecules
15 of 40
What are the melting and boiling points for ionic structures?
High
16 of 40
What are the melting and boiling points for covalent network structures?
Very high
17 of 40
What are the melting and boiling points for metallic structures?
Generally high (except mercury)
18 of 40
What are the melting and boiling points for simple molecule structures?
Low
19 of 40
What are the melting and boiling points for macromolecular structures?
Moderate - often decompose on heating
20 of 40
What is the hardness of ionic structures?
Hard but brittle
21 of 40
What is the hardness of covalent network structures?
Very hard (if three dimensional)
22 of 40
What is the hardness of metallic structures?
Hard but malleable (except mercury)
23 of 40
What is the hardness of simple molecular structures?
Soft
24 of 40
What is the hardness of macromolecular structures?
Variable; many are soft but often flexible
25 of 40
What is the electrical conductivity like of ionic structures?
Electrolytes - conduct when molten or dissolved in water
26 of 40
What is the electrical conductivity like of covalent network structures?
Do not normally conduct (except graphite)
27 of 40
What is the electrical conductivity like of metallic structures?
Conduct when solid or liquid
28 of 40
What is the electrical conductivity like of simple molecular structures?
Do not conduct
29 of 40
What is the electrical conductivity like of macromolecular structures?
Do not normally conduct
30 of 40
Are ionic structures soluble in water?
Often soluble
31 of 40
Are covalent network structures soluble in water?
Insoluble
32 of 40
Are metallic structures soluble in water?
Insoluble (but some react)
33 of 40
Are simple molecular structures soluble in water?
Usually insoluble, unless molecules contain groups which can hydrogen bond with water
34 of 40
Are macromolecular structures soluble in water?
Usually insoluble
35 of 40
Are ionic structures soluble in non-polar solvents?
Insoluble
36 of 40
Are covalent network structures soluble in non-polar solvents?
Insoluble
37 of 40
Are metallic network structures soluble in non-polar solvents?
Insoluble
38 of 40
Are simple molecular structures soluble in non-polar solvents?
Usually soluble
39 of 40
Are macromolecular structures soluble in non-polar solvents?
Sometimes soluble
40 of 40

Other cards in this set

Card 2

Front

What substances have a covalent network structure?

Back

Some elements in Group 4 and some of their compounds such as diamond, graphite and silica

Card 3

Front

What substances have a metallic structure?

Back

Preview of the front of card 3

Card 4

Front

What substances have a simple molecular structure?

Back

Preview of the front of card 4

Card 5

Front

What substances have macromolecular structures?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Bonding & shapes resources »