Lotukerfið
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I
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VIII
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1
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1
H
1,008
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II
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III
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IV
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V
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VI
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VII
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2
He
4,003
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2
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3
Li
6,941
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4
Be
9,012
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5
B
10,81
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6
C
12,01
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7
N
14,01
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8
O
16,00
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9
F
19,00
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10
Ne
20,18
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3
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11
Na
22,99
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12
Mg
24,31
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IIIa
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IVa
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Va
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VIa
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VIIa
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VIIIa
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IA
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IIA
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13
Al
26,98
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14
Si
28,09
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15
P
30,97
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16
S
32,06
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17
Cl
35,45
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18
Ar
39,95
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4
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19
K
39,10
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20
Ca
40,08
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21
Sc
44,96
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22
Ti
47,90
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23
V
50,94
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24
Cr
52,00
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25
Mn
54,94
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26
Fe
55,85
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27
Co
58,93
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28
Ni
58,70
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29
Cu
63,55
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30
Zn
65,38
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31
Ga
69,72
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32
Ge
72,59
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33
As
74,92
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34
Se
78,96
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35
Br
79,90
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36
Kr
83,80
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5
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37
Rb
85,47
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38
Sr
87,62
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39
Y
88,91
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40
Zr
91,22
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41
Nb
92,91
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42
Mo
95,94
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43
Tc
(98)
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44
Ru
101,1
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45
Rh
102,9
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46
Pd
106,4
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47
Ag
107,9
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48
Cd
112,4
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49
In
114,8
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50
Sn
118,7
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51
Sb
121,8
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52
Te
127,6
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53
I
126,9
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54
Xe
131,3
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6
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55
Cs
132,9
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56
Ba
137,3
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71
Lu
175,0
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72
Hf
178,5
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73
Ta
180,9
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74
W
183,9
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75
Re
186,2
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76
Os
190,2
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77
Ir
192,2
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78
Pt
195,1
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79
Au
Au
197,0
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80
Hg
200,6
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81
Tl
204,4
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82
Pb
207,2
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83
Bi
209,0
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84
Po
(209)
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85
At
(210)
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86
Rn
(222)
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7
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87
Fr
(223)
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88
Ra
(226,0)
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103
Lr
(260)
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104
Rf
|
105
Db
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106
Sg
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107
Bh
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108
Hs
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109
Mt
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6
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57
La
138,9
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58
Ce
140,1
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59
Pr
140,9
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60
Nd
144,2
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61
Pm
(145)
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62
Sm
150,4
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63
Eu
152,0
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64
Gd
157,3
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65
Tb
158,9
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66
Dy
162,5
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67
Ho
164,9
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68
Er
167,3
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69
Tm
168,9
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70
Yb
173,0
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7
|
89
Ac
(227)
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90
Th
232,0
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91
Pa
(231)
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92
U
238,0
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93
Np
(244)
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94
Pu
(242)
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95
Am
(243)
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96
Cm
(247)
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97
Bk
(247)
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98
Cf
(251)
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99
Es
(252)
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100
Fm
(257)
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101
Md
(258)
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102
No
(259)
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Hvarfgjarnir málmar
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Tregir málmar
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Eðalgastegundir
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Hvarfgjarnir jarðmálmar
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Málmleysingjar
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Lantanið
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Hliðarmálmar
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Halógenefnin
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Aktiníð
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