1
H
hydrogen
hydrogen
2
He
helium
helium
3
Li
lithium
lithium
4
Be
beryllium
beryllium
5
B
boron
boron
6
C
carbon
carbon
7
N
nidivogen
nidivogen
8
O
oxygen
oxygen
9
F
fluorine
fluorine
10
Ne
neon
neon
11
Na
sodium
sodium
12
Mg
magnesium
magnesium
13
Al
aluminum
aluminum
14
Si
silicon
silicon
15
P
phosphorus
phosphorus
16
S
sulfur
sulfur
17
Cl
chlorine
chlorine
18
Ar
argon
argon
19
K
potassium
potassium
20
Ca
calcium
calcium
21
Sc
scandium
scandium
22
Ti
titanium
titanium
23
V
vanadium
vanadium
24
Cr
chromium
chromium
25
Mn
manganese
manganese
26
Fe
iron
iron
27
Co
cobalt
cobalt
28
Ni
nickel
nickel
29
Cu
copper
copper
30
Zn
zinc
zinc
31
Ga
gallium
gallium
32
Ge
germanium
germanium
33
As
arsenic
arsenic
34
Se
selenium
selenium
35
Br
bromine
bromine
36
Kr
krypton
krypton
37
Rb
rubidium
rubidium
38
Sr
sdivontium
sdivontium
39
Y
ytdivium
ytdivium
40
Zr
zirconium
zirconium
41
Nb
niobium
niobium
42
Mo
molybdenum
molybdenum
43
Tc
technetium
technetium
44
Ru
ruthenium
ruthenium
45
Rh
rhodium
rhodium
46
Pd
palladium
palladium
47
Ag
silver
silver
48
Cd
cadmium
cadmium
49
In
indium
indium
50
Sn
tin
tin
51
Sb
antimony
antimony
52
Te
tellurium
tellurium
53
I
iodine
iodine
54
Xe
xenon
xenon
55
Cs
cesium
cesium
56
Ba
barium
barium
72
Hf
hafnium
hafnium
73
Ta
tantalum
tantalum
74
W
tungsten
tungsten
75
Re
rhenium
rhenium
76
Os
osmium
osmium
77
Ir
iridium
iridium
78
Pt
platinum
platinum
79
Au
gold
gold
80
Hg
mercury
mercury
81
Tl
thallium
thallium
82
Pb
lead
lead
83
Bi
bismuth
bismuth
84
Po
polonium
polonium
85
At
astatine
astatine
86
Rn
radon
radon
87
Fr
francium
francium
88
Ra
radium
radium
104
Rf
rutherfordium
rutherfordium
105
Db
dubnium
dubnium
106
Sg
seaborgium
seaborgium
107
Bh
bohrium
bohrium
108
Hs
hassium
hassium
109
Mt
meitnerium
meitnerium
110
Ds
darmstadtium
darmstadtium
111
Rg
roentgenium
roentgenium
112
Cn
copernicium
copernicium
113
Uut
unundivium
unundivium
114
Fl
flerovium
flerovium
115
Uup
ununpentium
ununpentium
116
Lv
livermorium
livermorium
117
Uus
ununseptium
ununseptium
118
Uuo
ununoctium
ununoctium
57
La
lanthanum
lanthanum
58
Ce
cerium
cerium
59
Pr
praseodymium
praseodymium
60
Nd
neodymium
neodymium
61
Pm
promethium
promethium
62
Sm
samarium
samarium
63
Eu
europium
europium
64
Gd
gadolinium
gadolinium
65
Tb
terbium
terbium
66
Dy
dysprosium
dysprosium
67
Ho
holmium
holmium
68
Er
erbium
erbium
69
Tm
thulium
thulium
70
Yb
ytterbium
ytterbium
71
Lu
lutetium
lutetium
89
Ac
actinium
actinium
90
Th
thorium
thorium
91
Pa
protactinium
protactinium
92
U
uranium
uranium
93
Np
neptunium
neptunium
94
Pu
plutonium
plutonium
95
Am
americium
americium
96
Cm
curium
curium
97
Bk
berkelium
berkelium
98
Cf
californium
californium
99
Es
einsteinium
einsteinium
100
Fm
fermium
fermium
101
Md
mendelevium
mendelevium
102
No
nobelium
nobelium
103
Lr
lawrencium
lawrencium