Group 7 - Halogens Flashcards
(6 cards)
1
Q
Fluorine
A
Yellow gas
2
Q
Chlorine
A
Green gas
3
Q
Bromine
A
Red-brown liquid, orange/brown vapour
4
Q
Iodine
A
Colourless solid, purple vapour
5
Q
What happens as we move down the halogens?
A
Reactivity decreases because the atoms get bigger and don’t attract electrons as strongly
6
Q
How do displacement reactions provide evidence for the trend in reactivity of group 7 elements?
A
A more reactive halogen will displace a less reactive one
