4.3 - Halogens Flashcards
1
Q
Trends in halogen elements
A
- All are diatomic
- Colours get darker down the group
- MP/BP increases down the group
2
Q
Properties of fluorine?
A
Formula - F2
Colour - Very pale yellow
State - gas
3
Q
Properties of chlorine?
A
Formula - Cl2
Colour - pale green
State - gas
4
Q
Properties of bromine?
A
Formula - Br2
Colour - brown
State - liquid
5
Q
Properties of iodine?
A
Formula - I2
Colour - dark grey
State - solid
6
Q
Properties of black?
A
Formula - At2
Colour - black
State - solid
7
Q
What happens when halogens react with metals?
A
Ionic compounds are formed
8
Q
A