Halogens Flashcards
0
Q
How many is in the outer shell?
A
7
1
Q
What group are they in?
A
Group 7
2
Q
How do they react?
A
By gaining one electron to form negative ion
3
Q
What sort of atomic radius do they have and what does it mean?
A
A large one meaning it is less likely to gain electrons
4
Q
What are they like further down the table?
A
Less reactive
5
Q
What are the properties like?
A
High melt and boiling points
