No
|
Nomi
|
Belgisi
|
Atom massasi
|
Oksidlanish
Darajasi
|
Valentligi
|
O’ z g a r m a s v a l e n t l i k n a m o y o n q i l u v c h i l a r
|
Faqat bir valentlik namoyon qiluvchilar
|
1
|
Vodorod
|
H
|
1
|
-1 ; +1
|
1
|
2
|
Litiy
|
Li
|
7
|
+1
|
1
|
3
|
Natriy
|
Na
|
23
|
+1
|
1
|
4
|
Kaliy
|
K
|
39
|
+1
|
1
|
5
|
Rubidiy
|
Rb
|
85,5
|
+1
|
1
|
6
|
Seziy
|
Cs
|
133
|
+1
|
1
|
7
|
Kumush
|
Ag
|
108
|
+1
|
1
|
8
|
Ftor
|
F
|
19
|
-1
|
1
|
Faqat ikki valentlik namoyon qiluvchilar
|
9
|
Berilliy
|
Be
|
9
|
+2
|
2
|
10
|
Kislorod
|
O
|
16
|
-2 ; -1 ; +2
|
2
|
11
|
Magniy
|
Mg
|
24
|
+2
|
2
|
12
|
Kalsiy
|
Ca
|
40
|
+2
|
2
|
13
|
Rux
|
Zn
|
65
|
+2
|
2
|
14
|
Stronsiy
|
Sr
|
88
|
+2
|
2
|
15
|
Kadmiy
|
Cd
|
112
|
+2
|
2
|
16
|
Bariy
|
Ba
|
137
|
+2
|
2
|
Faqat uch valentlik namoyon qiluvchilar
|
17
|
Bo’r
|
B
|
11
|
-3 ; +3
|
3
|
18
|
Alyuminiy
|
Al
|
27
|
+3
|
3
|
19
|
Skandiy
|
Sc
|
45
|
+3
|
3
|
O’ z g a r u v c h a n v a l e n t l i k n a m o y o n q i l u v c h i l a r
|
20
|
Uglerod
|
C
|
12
|
-4 ; +2 ; +4
|
2 ; 3; 4
|
21
|
Azot
|
N
|
14
|
-3 +1 +2 +3 +4 +5
|
3 ; 4
|
22
|
Kremniy
|
Si
|
28
|
-4 ; +2 ; +4
|
2 ; 4
|
23
|
Fosfor
|
P
|
31
|
-3 +1 +3 +4 +5
|
3 ; 5
|
24
|
Oltingugurt
|
S
|
32
|
-2 +4 +6
|
2 ; 4 ; 6
|
25
|
Titan
|
Ti
|
48
|
+3 ; +4
|
2 ; 3 ; 4
|
26
|
Xrom
|
Cr
|
52
|
+2 ; +3 ; +6
|
2 ; 3 ; 6
|
27
|
Marganes
|
Mn
|
55
|
+2 +3 +4 +6 +7
|
2 ; 3 ; 4 ; 6 ; 7
|
28
|
Temir
|
Fe
|
56
|
+2 ; +3 ; +6
|
2 ; 3 ; 6
|
29
|
Mis
|
Cu
|
64
|
+1 ; +2
|
1 ; 2
|
30
|
Mishyak
|
As
|
75
|
-3 ;+3 ; +5
|
3 ; 5
|
31
|
Qalay
|
Sn
|
119
|
+2 ; +4
|
2 ; 4
|
32
|
Platina
|
Pt
|
195
|
+2 ; +4 ; +6
|
2 ; 4 ; 6
|
33
|
Oltin
|
Au
|
197
|
+1 ; +3
|
1 ; 3
|
34
|
Simob
|
Hg
|
201
|
+1 ; +2
|
1 ; 2
|
35
|
Qo’rg’oshin
|
Pb
|
207
|
+2 ; +4
|
2 ; 4
|
36
|
Xlor
|
Cl
|
35,5
|
-1 +1 +3 +5 +7
|
1 ; 3 ; 5 ; 7
|
37
|
Brom
|
Br
|
80
|
-1 +1 +3 +5 +7
|
1 ; 3 ; 5 ; 7
|
38
|
Yod
|
I
|
127
|
-1 +1 +3 +5 +7
|
1 ; 3 ; 5 ; 7
|
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