Group 7 Flashcards
1
Q
What are group 7 known as?
A
The halogens
2
Q
How do group 7 react in accordance to each other?
A
All react in a similar way as they all have 7 electrons in their outer shell
3
Q
What are group 7 elements?
A
Non- metals and consist of molecules made of pairs of atoms eg
Br2
4
Q
What happens to the melting points and boiling points of group 7
A
They increase as you go down the group
5
Q
What happens to the reactivity in group 7?
A
Decreases as you go down the group
6
Q
What do the halogens form and why?
A
Form ions with a charge of 1- by gaining an electron when reacting with
metals to form ionic compounds
7
Q
A ____ reactive halogen will displace a ____ reactive halogen from a compound
A
- More
- Less
8
Q
What do the halogens form?
A
Covalent molecules by sharing electrons with other non- metals
