Group 7 - The Halogens Flashcards
(5 cards)
1
Q
what happens to the reactivity of Halogens going down the group?
A
it decreases
2
Q
why does the reactivity of halogens decrease going down the group?
A
outer electrons are further from the nucleus making it harder to attract an electron
3
Q
what is the colour and state of chlorine at room temperature?
A
pale green gas
4
Q
what is the colour and state of bromine at room temperature?
A
brown liquid
5
Q
what is he colour and state of iodine at room temperature?
A
purple-black solid