1
H
The P
er
Hydro
ge
1.0079 n
4
3
Li
6.941
12
Na
Mg
Sodi
22.989um
770
Magne
sium
24.305
19
20
K
40.078
Cs
Fr
Franci
um
(223)
88
Ra
Radium
(226)
7
89
m
178.49
(227)
Ruth
(262)
90
Th
107
(263)
59
140.90 mium
765
91
Pa
m
(265)
miu
144.24 m
92
U
Urani
238.02um
89
93
Np
Neptu
nium
(237)
8
62
Sm
Samar
ium
150.36
94
Pu
Pluton
ium
(244)
(272)
63
95
Am
Amer
icium
(243)
Gadol
inium
157.25
96
Cm
Curiu
m
(247)
82
0
0
Bi
Lead
113
121.76
83
Pb
Thalliu
204.38 m
33
Antim
ony
207.2
Bism
208.98uth
038
114
66
Tb
97
Bk
Berk
elium
(247)
67
Dy
Terb
158.92ium
534
Dyspr
osium
162.50
98
Cf
Ca
liforni
um
(251)
68
Ho
Er
Holm
ium
164.93
99
Es
Ei
nstein
ium
(252)
032
Erbium
167.26
100
Fm
Fe
rmium
(257)
78.96
84
101
Md
Mende
levium
(258)
126.90
70
102
(259)
Xe
Rn
Rado
n
(222)
Lu
Lutetiu
m
174.96
103
Lr
La
wrenc
ium
(262)
Xenon
131.29
86
71
Yb
No
447
Astatin
e
Ytterb
ium
Nobel
ium
on
54
I
(210)
173.04
Krypt
83.80
Iodine
At
um
(209)
Kr
Brom
in
53
85
Po
Poloni
Argon
39.948
36
79.904e
Tellu
riu
69
Tm
Thul
168.93ium
421
.4527
Te
127.60m
Ar
35
Br
52
Sb
Tin
118.71
34
Seleni
um
51
Sn
8
Tl
200.59
65
Gd
pi
151.96um
4
81
18
Chlorin
e
35
Se
Arsen
74.921 ic
60
(277)
64
Eu
Euro
In
114.81
Mercu
ry
112
72.61
50
Indium
1
Hg
ol
111
(269)
112.41
80
196.96 d
655
eitner
ium
Pm
Prom
ethium
(145)
110
(266)
61
Nd
Neody
um
195.07
32.066
As
Germ
anium
49
Neon
20.179
Cl
Sulfu
r
33
Ne
17
S
30.973 orus
761
Ge
69.723
48
Cd
Cadm
ium
79
Au
G
Platin
7
Mt
M
Hassiu
60
Pr
109
Hs
hrium
78
Pt
Iridium
192.21
47
Silv
107.86er
82
P
Phos
ph
5
4.003
10
F
Oxyge
15.999n
4 18 Fluorine
.99840
16
32
15
Si
28.085
32
Galliu
m
14.006 en
74
Heliu
m
9
O
Nitrog
7
Silicon
538
Ga
nc
65.39
Ag
Palla
dium
106.42
Ir
ium
190.23
er
Pd
od
102.90ium
550
77
108
(262)
Praseo
dy
1995
IU
masse PAC mas
112 fros for 107-11 ses and A
Thor
ppro
iu
m http
1
232.03 m
://ww from C&EN ved Nam
es
w.gsi.
81 Protactinium
de/z11 , March 13 from http
231.03
2e.htm
://
, 1995
588
, p. 35 www.chem
l
.qmw
.ac.uk/
iupac/
AtWt/
7
Bh
Bo
Seabor
gium
58
Ce
Ceriu
140.11m
6
186.20
Sg
Dubni
um
76
Os
Osm
Rhen
ium
106
Db
erford
ium
(261)
101.07
Re
Tung
ste
183.84n
Rh
Rh
enium
75
W
Tantal
105
Rf
(98)
31
Zn
Zi
Copp
63.546
46
26.981
30
Cu
Nicke
58.693l
4
45
14
Alum
inum
He
8
N
on
12.010
Al
29
Ni
ba
58.933 lt
200
44
Ru
Ruth
Tech
netiu
m
74
180.94um
79
104
Ac
Actin
ium
denu
m
95.94
28
Co
Co
Iron
Carb
13
27
Fe
55.845
43
Tc
Molyb
Ta
Hafni
um
55
Mo
bi
10.811
26
51.996 m
M
1 54 anganese
.93804
42
9
73
Hf
n
Mn
romiu
5
92.906um
38
72
La
Lantha
nu
138.90
41
Nb
Nio
91.224
57
Ba
50.941
40
Zircon
ium
7
C
Boro
25
Cr
Ch
2
6
B
24
Vanad
ium
Zr
Yttriu
88.905 m
85
Bariu
m
137.32
47.867
Y
ium
87.62
56
5
23
V
Titani
um
39
Stront
Cesiu
22
Ti
Scandi
44.955 um
910
Sr
di
55
87
21
Sc
Calciu
m
38
85.467um
8
132.90 m
545
0
Ca
Potass
iu
Rb
Rubi
emen
ts
Berylli
9.0121um
82
11
37
le of
the E
l
Be
Lithiu
m
39.098 m
3
iodic
Tab
4
7
7
massa atomica relativa
in funzione del numero atomico
200
150
100
50
0
0
50