Unit 1 - Group 7 Elements Flashcards
1
Q
Properties of Fluorine
A
Very reactive, posionous yellow gas
2
Q
Properties of Chlorine
A
Fairly reactive, posionous dense green gas
3
Q
Properties of Bromine
A
Dense posionous red brown volatile liquid
4
Q
Properties of Iodine
A
Dark grey crystalline solid or purple vapor
5
Q
Properties of elements as you go down group 7
A
Less reactive, higher boiling and melting points and higher relative atomic masses
6
Q
Why are elements less reactive as you go down group 7
A
Because its harder to gain another electron as the outer shell is further away from the nucleus
7
Q
Desribe group 7 displacement reactions
A
A more reactive halogen will displace the salt of a less reactive halogen
