Group 7 - The Halogens Flashcards
1
Q
What are halogens?
A
Non-metals with coloured vapours
2
Q
What do halogens form and with what?
A
They react with metals to from 1- ions called halides
3
Q
What will happen to less reactive halogens?
A
More reactive halogens will displace them from an aqueous solution of its salt
4
Q
What happens to the elements as you go down group 7?
A
They become less reactive and have higher melting/boiling points