Group 7 Elements Flashcards
1
Q
What are g7 elements known as
A
Halogens
2
Q
What are halogens (metal,non-metal etc)
A
Non-metals with coloured vapours
3
Q
Fluorine g7?
A
Very reactive
Poisonous yellow gas
4
Q
Chorine g7?
A
Fairly reactive
Poisonous dense green gas
5
Q
Bromine g7?
A
Dense poisonous red brown volatile liquid
6
Q
Iodine g7?
A
Dark grey crystalline solid or purple vapour
7
Q
What are all group 7 in
A
Pairs of atoms (molecules)
8
Q
As you go down group 7 the trends?
A
- become less reactive
- have a higher melting and boiling boiling points
- higher relative atomic masses
9
Q
What sort of ions do g7 form
A
- 1 ions (halides)
10
Q
Halogens form ionic bonds with..
A
Metals
