1
Q
alkene
A
saturated (single bonds)
2
Q
alkane
A
unsaturated (contain at least 1 carbon double bond)
CnH2n+2
3
Q
Alkane examples
A
-methane
-propane
-butane
-ethane
4
Q
Alkene examples
A
-ethene
-propene
-butene
5
Q
Butene
A
C4H8
6
Q
Methane formula
A
CH4
7
Q
Ethane formula
A
C2H6
8
Q
Propane
A
C3H8
9
Q
Butane formula
A
C4H10
10
Q
Group 1 elements
A
- Alkali metals
- more reactive as move down
- melting + boiling points decrease moving down
11
Q
Group 7
A
- halogens
- less reactive as move down
- increase melting + boiling points as move down
12
Q
Group 0
A
- noble gases
- generally less reactive as move down
- very low melting + boiling points
13
Q
diamond
A
- giant lattice
- high melting point
- hard
- doesnt conduct electricity
14
Q
graphite
A
- layers of carbon atoms in hexagonal shape
- high melting point
- soft
- can conduct electricity
15
Q
fullerenes
A
- nanoparticles
- low melting point
- good catalysts
- cannot conduct electricity
16
Q
graphene
A
- single layer of graphite
- high melting point
- strong
- can conduct electricity
17
Q
giant lattice
A
3 d repeating structure of atoms (etc) held together by stong chemical bonds
18
Q
test for alkene
A
- bromine water
- orange to colourless
19
Q
ethene formula
A
C2H4
20
Q
preopene formula
A
C3 H6
