Group 7 Elements Flashcards
1
Q
How many electrons in outer shell
A
7 electrons
2
Q
Its ion has a charge of:
A
Negative, as it needs to gain an electron to become stable.
3
Q
They are also called
A
Halogens
4
Q
Group 7 elements have diatomic molecules meaning:
A
They come in twos.
5
Q
Physical properties
A
Low boiling points Not a metal Poor conductor of electricity and heat Brittle Low density
