Group 7 Elements Flashcards
1
Q
What group is group 7 called
A
Halogens
2
Q
Are halogens metals
A
No
3
Q
What do we use halogens for
A
Chemical, water and sanatation
4
Q
What are halogens
A
A halogen is a chemical element that forms a salt when it reacts with metal. Halogen lamps are illuminated by bulbs that contain a halogen and an inert gas. There are five halogens in the periodic table of chemical elements: fluorine, chlorine, bromine, iodine, and astatine.
5
Q
Name one halogen
A
Chlorine, bromine, fluorine or iodine
6
Q
How many electons do halogens have
A
7 on their outer shell
7
Q
True or false
We need halogens
A
No
