C2 - Halogens Flashcards
1
Q
Where are the group of Halogens located in the periodic table?
A
They are in group 7 which means they only need one more electron to have a full outer shell
2
Q
What are the 4 states of the first 4 halogens when at room temperature?
A
Fluorine = Gas Chlorine = Gas Bromine = Liquid Iodine = Solid
3
Q
What are the 4 colours of the first 4 halogens?
A
Fluorine = Pale Yellow Chlorine = Pale Green Bromine = Brown Iodine = Grey
4
Q
Describe the reactivity of halogens in terms of their position in the periodic table
A
As you go down the periodic table the Halogen becomes less reactive (from fluorine to iodine)
5
Q
What is formed when a halogen reacts with hydrogen?
A
A hydrogen halide
6
Q
What do hydrogen halides from when they are dissolved in water?
A
Acids
