Chemistry Unit 1.7 - Group 7 (The Halogens)
PHYSICAL PROPERTIES
The halogens are diatomic molecules that exist in group 7 (VII) of the periodic table. They have the
following physical properties:
Symbo Formul Boiling point Atomic radius Ionic radius
Name State at r.t.p.
l a (°C) (pm) (pm)
Pale yellow…
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Bromide salts
Reaction
Oxidation
-1 +6 +6 -1
state
Reaction
Oxidation
-1 +6 +4 0
state
Iodide salts
Reaction
Oxidation
-1 +6 +6 -1
state
Reaction
Oxidation
-1 +6 +4 0
state
Reaction
Oxidation
-1 +6 -2 0
state
As it can be seen, as you descend the group the…
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