mium lanthanum
cerium
67 57
58
praseodymium neodymium
59
60
promethium
61
samarium
62
europium
63
gadolinium
64
terbium
65
dysprosium
66
holmi
67
HoLa Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho
4.93138.91 einium actinium
99 89
140.12
140.91
144.24
[145]
150.36
151.96
157.25
158.93
162.50
thorium
protactinium
uranium
neptunium
plutonium
americium
curium
berkelium
californium
90
91
92
EsAc Th Pa
52] [227]
titanium
22
231.04
238.03
vanadium
chromium
manganese
23
Ti
V
47.867
50.942
zirconium
niobium
40
U
232.04
41
24
25
93
94
95
96
97
98
Np Pu Am Cm Bk Cf [237] iron
Cr Mn 51.996
54.938
molybdenum
42
Zr Nb Mo 91.224
92.906
hafnium
tantalum
72
73
Hf Ta 178.49
180.95
rutherfordium
dubnium
104
Rf Db [261]
e e Sc I N C
lutetium
71
Lu
Scandium 21
Iodine 53
Electron -
Nitrogen 7
Carbon 6
Electron -
44.956
126.90
0.000548
14.007
12.011
0.000548
174.97
lawrencium
103
Lr [262]
boron
5
B
10.811 aluminium
13
Al 26.982
28.086
gallium
germanium
31
32
Ga Ge 69.723
indium
72.64 tin
49
50
114.82
118.71
121.76
thallium
lead
bismuth
In Sn Sb 81
Tl
82
83
Pb Bi Po
164.9
einstein
99
Es
[252
lanthanum
57
cerium
58
praseodymium neodymium
59
60
promethium
61
samarium
62
europium
63
gadolinium
64
terbium
65
dysprosium
66
holm
6
La Ce Pr Nd Pm Sm Eu Gd Tb Dy H 138.91
140.12
140.91
144.24
[145]
150.36
151.96
157.25
158.93
162.50
actinium
thorium
protactinium
uranium
neptunium
plutonium
americium
curium
berkelium
californium
89
90
91
Ac Th Pa
92
U
[227]
232.04
231.04
238.03
titanium
vanadium
chromium
manganese
22
Ti
23
V
47.867
50.942
zirconium
niobium
40
41
24
25
93
94
95
96
[237]
[244]
[243]
[247]
iron
cobalt
nickel
copper
26
27
28
29
51.996
54.938
55.845
58.933
58.693
63.546
molybdenum
technetium
ruthenium
rhodium
palladium
silver
43
44
45
46
47
Zr Nb Mo Tc Ru Rh Pd Ag 91.224
92.906
95.96
[98]
101.07
102.91
106.42
107.87
hafnium
tantalum
tungsten
rhenium
osmium
iridium
platinum
gold
72
73
Hf Ta 178.49
180.95
rutherfordium
dubnium
104
105
74
75
76
W Re Os
77
Ir
183.84
186.21
190.23
192.22
seaborgium
bohrium
hassium
meitnerium
106
107
108
109
78
79
Pt Au 195.08
196.97
darmstadtium roentgenium
110
111
[271]
[272]
Rf Db Sg Bh Hs Mt Ds Rg [261]
[262]
[266]
[264]
[277]
carbon
nitrogen
oxygen
fluorine
lutetium
71
Lu 174.97
lawrencium
103
Lr [262]
boron
5
B
6
C
7
N
8
O
9
F
10.811
12.011
14.007
15.999
18.998
aluminium
silicon
phosphorus
sulfur
chlorine
13
Al
14
17
28.086
30.974
32.065
S
Cl
gallium
germanium
arsenic
selenium
bromine
32
P
16
26.982
31
Si
15
33
34
35.453
35
Ga Ge As Se Br 69.723
72.64
74.922
78.96
79.904
indium
tin
antimony
tellurium
iodine
51
52
49
50
114.82
118.71
121.76
127.60
126.90
thallium
lead
bismuth
polonium
astatine
In Sn Sb Te 81
Tl
82
83
84
98
Np Pu Am Cm Bk Cf
Cr Mn Fe Co Ni Cu 42
97
53
I
85
Pb Bi Po At
[268]
[247]
[251]
164
einste
9
E
[2