Periodni sistem elemenata

.

P
E
R
I
O
D
A

.
1
2
3
4
5
6
7
G R U P A
1
.
2
.
3
.
4
.
5
.
6
.
7
.
8
.
9
.
10
.
11
.
12
.
13
.
14
.
15
.
16
.
17
.
18
.
.
1
H
1,00
.
.
2
He
4,00
.
3
Li
6,94
.
4
Be
9,01
.
5
B
10,8
.
6
C
12,0
.
7
N
14,0
.
8
O
16,0
.
9
F
19,0
.
10
Ne
20,2
.
11
Na
23,0
.
12
Mg
24,03
.
13
Al
27,0
.
14
Si
28,1
.
15
P
31,0
.
16
S
32,1
.
17
Cl
35,5
.
18
Ar
39,9
.
19
K
39,1
.
20
Ca
40,1
.
21
Sc
45,0
.
22
Ti
47,9
.
23
V
50,9
.
24
Cr
52,0
.
25
Mn
54,9
.
26
Fe
55,8
.
27
Co
58,9
.
28
Ni
58,7
.
29
Cu
63,5
.
30
Zn
65,4
.
31
Ga
69,7
.
32
Ge
72,6
.
33
As
74,9
.
34
Se
79,0
.
35
Br
79,9
.
36
Kr
83,8
.
37
Rb
85,46
.
38
Sr
87,62
.
39
Y
88,90
.
40
Zr
91,22
.
41
Nb
92,90
.
42
Mo
95,96
.
43
Tc
(98)
.
44
Ru
101,07
.
45
Rh
102,91
.
46
Pd
106,42
.
47
Ag
107,87
.
48
Cd
112,41
.
49
In
114,82
.
50
Sn
118,71
.
51
Sb
121,76
.
52
Te
127,60
.
53
I
126,90
.
54
Xe
131,29
.
55
Cs
132,91
.
56
Ba
137,33
.
57-71
La-Lu
Lantanoidi
.
72
Hf
178,49
.
74
Ta
180,95
.
75
W
183,84
.
76
Re
186,21
.
77
Os
190,23
.
78
Ir
192,22
.
79
Pt
195,08
.
80
Au
196,97
.
81
Hg
200,59
.
82
Tl
204,3
.
83
Pb
207,20
.
84
Bi
208,98
.
85
Po
(209)
.
73
At
(210)
.
86
Rn
(222)
.
87
Fr
(223)
.
88
Ra
(226)
.
89-103
Ac-Lr
Aktinoidi
.
104
Rf
(267)
.
105
Db
(268)
.
106
Sg
(271)
.
107
Bh
(272)
.
108
Hs
(277)
.
109
Mt
(276)
.
110
Ds
(280)
.
11`
Rg
(281)
.
112
Cn
(285)
.
113
Uut
-
.
114
Uuq
-
.
115
Uup
-
.
116
Uuh
-
.
117
Uus
-
.
118
Uuo
-
.
Lantanoidi
57
La
138.91
.
58
Ce
140.12
.
59
Pr
140,91
.
60
Nd
144,24
.
61
Pm
(145)
.
62
Sm
150,36
.
63
Eu
151.96
.
64
Gd
157.25
.
65
Tb
158.93
.
66
Dy
162.50
.
67
Ho
164.93
.
68
Er
167.26
.
69
Tm
168.93
.
70
Yb
173.05
.
71
Lu
174.97
.
Aktinoidi
89
Ac
(227)
.
90
Th
232.04
.
91
Pa
231.04
.
92
U
238.03
.
93
Np
(237)
.
94
Pu
(244)
.
95
Am
(243)
.
96
Cm
(247)
.
97
Bk
(247)
.
98
Cf
(251)
.
99
Es
(252)
.
100
Fm
(257)
.
101
Md
(258)
.
102
No
(259)
.
103
Lr
(262)

262 thoughts on “Periodni sistem elemenata

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