Flashcards in Group 1 and 7 Deck (11)
What do group 7 atoms form when they react with metals?
A wide range of salts
Which of the group 7 atoms form diatomic molecules?
All of them
How do the melting and boiling points change as you go down the group?
How does the reactivity of the atoms change as you go down the group?
It decreases as you go down
What colour and state is fluorine at RT?
What state and colour is chlorine at RT?
What state and colour is bromine at RT?
Dark red liquid/reddy-brown vapour
What state and colour is iodine at RT?
Dark grey solid/purple vapour
When halogens react with iron, what is formed?
Chlorine + sodium bromide →?
Sodium chloride + bromine (displacement)