Group 7 Halogens Flashcards
1
Q
What is flourine?
A
A poisonous yellow gas that is very reactive
2
Q
What is Chlorine?
A
Chlorine is less reactive and is a poisonous green gas
3
Q
What is Bromine?
A
a poisonous brown volatile liquid
4
Q
What is iodine?
A
a dark grey solid that can form poisonous purple vapours
5
Q
What colour is bromine water?
A
Orange
6
Q
What colour is chlorine water?
A
colourless
7
Q
What colour is iodine water?
A
brown
8
Q
What two properties are seen in group 7 metals?
A
- their ions usually have a +1 charge
- they can form covalent bonds with other non-metals
9
Q
A
