Elements of group 7 Flashcards
1
Q
What do group 7 elements react with ?
A
Iron
2
Q
Where does reaction get vigorous from ?
A
Top to bottom
3
Q
what is displacement process
A
The displacement process is when elements can change there place with other elements .
4
Q
Group 7 elements are
A
fluorine
chlorine
bromine
iodine
astatine
5
Q
what are group 7 elements called ?
A
halogens
6
Q
What is the colour of fluorine
A
pale yellow
7
Q
what is the colour of chlorine
A
pale green
8
Q
What is the colour of iodine
A
black - grey
