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Group 17 HALOGEN NOTES
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- Institution
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I 17th Group.
m
Halogens
.
-
m
, Halogense
·
e
EnterConfigurat
Esse
I
At -
>
3 non-metals
Radioactive element
Occurance : Fluorine is
present mainly as insoluble
fluorides
.
I
fluors/Jar CaFL :
Cryolle Naz AlF6
&
:
:
2
-
3 Cas(PO4)
--
.
3
Fluoroap able
Carnallite KC
2
CaFL
:
1
4
MgCK 64 O
. : . :
,
F Cl Br I
Atomic No -
9 17 35 54
Atomic Mass
Atomic Radi : ↑es
IE : des
EN i des
Electron Cl > F > Br > I
Gain
Enthalpy :
, Colour :
Fa Uz Bra In
Pale Greenish Reddish Violet
Yellow Yellow Brown Colour
MP/BP FL/C BU
, I2
-
Gas
liquid solid
Bond U2 BUc Fc IC
Energy >
: > >
Hydration Energy FC- Br >I
-
:
-
<
Oxidizing Nature :
>U Br Is
Red Nature
. : F- C < Br < I
Bond
Length
:
Fr < C < Br <
> IG
Oxidation State :
- F = -1 onl
/Br I = - 170 +T
+, + 3 , +5
,
+T
achieved and oxides
High Os are
obtained
with
halogens
So
,
high
oxides
Os
and
are
onoacids
.
in
interhalogen
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