ΤΑ ΑΛΟΓΟΝΑ
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, :
.
17
1
2
13
14
15
16
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18
1 H3 Li 4 Be 5 B 6 C 7 8 9 F 17 Cl 35 Br 53 I
2 He10 Ne
85 At
(F), (Cl), (Br), (I) (At). , , . , , .
(g/mL) 20 C
F
9
-188,14
0,0017
F2 Cl2 Br2 I2
Cl
17
-34,60
0,0032
Br
35
58,76
3,1900
I
53
184,35
4,9200
14 : To , . : CFCs , ,
15 :
CFCs , , ,
16: :
17: : ,
. . NaCl
. KBr
. KI
H2O
18: gNO3 H2O gNO3(s) g+(aq) + NO3-(aq) NaCl H2O NaCl(s) Na+(aq) + Cl-(aq) g+(aq) + Cl-(aq)H2O
Ag
+
Na+-
NO3
Cl-
gCl(s)NO3Na+