Topic 4 - Group 7 Flashcards
1
Q
what are the elements in group 7 called?
A
Halogens
2
Q
in group 7 as the atomic number increases, how does the boiling point change?
A
the boiling point increases
3
Q
in group 7 as the atomic number increases, how does the colour change
A
the colour gets darker
4
Q
How does the reactivity change moving down Group 7?
A
elements become less reactive
5
Q
Why do group 7 elements become less reactive down the group?
A
it gets harder to attract the extra electron needed as the electrons are further away from the nucleus
