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Periodic Chart of The Elements
People who decide to use this periodic chart should not assume the data is correct and so use the data contained here at your own risk.
Select an element from the periodic table below to start. Each box in the following table shows the atomic number and the symbol for an element. Although elements 113-118 currently are unknown, they are included in the table to show their expected positions.
Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
  Ia IIa IIIb IVb Vb VIb VIIb VIIIb Ib IIb IIIa IVa Va VIa VIIa VIIIa
Period
1 1
H 		2
He
2 3
Li 		4
Be 		5
B 		6
C 		7
N 		8
O 		9
F 		10
Ne
3 11
Na 		12
Mg 		13
Al 		14
Si 		15
P 		16
S 		17
Cl 		18
Ar
4 19
K 		20
Ca 		21
Sc 		22
Ti 		23
V 		24
Cr 		25
Mn 		26
Fe 		27
Co 		28
Ni 		29
Cu 		30
Zn 		31
Ga 		32
Ge 		33
As 		34
Se 		35
Br 		36
Kr
5 37
Rb 		38
Sr 		39
Y 		40
Zr 		41
Nb 		42
Mo 		43
Tc 		44
Ru 		45
Rh 		46
Pd 		47
Ag 		48
Cd 		49
In 		50
Sn 		51
Sb 		52
Te 		53
I 		54
Xe
6 55
Cs 		56
Ba
57-
71
 72
Hf 		73
Ta 		74
W 		75
Re 		76
Os 		77
Ir 		78
Pt 		79
Au 		80
Hg 		81
Tl 		82
Pb 		83
Bi 		84
Po 		85
At 		86
Rn
7 87
Fr 		88
Ra
89-
103
 104
Rf 		105
Db 		106
Sg 		107
Bh 		108
Hs
 109
Mt 		110
Uun 		111
Uuu 		112
Uub 		113
Uut 		114
Uuq 		115
Uup 		116
Uuh 		117
Uus 		118
Uuo
 
Lanthanides 57
La 		58
Ce 		59
Pr 		60
Nd 		61
Pm 		62
Sm 		63
Eu 		64
Gd 		65
Tb 		66
Dy 		67
Ho 		68
Er 		69
Tm 		70
Yb		 71
Lu
Actinides 89
Ac 		90
Th 		91
Pa 		92
U 		93
Np 		94
Pu 		95
Am 		96
Cm 		97
Bk 		98
Cf 		99
Es 		100
Fm 		101
Md 		102
No 		103
Lr
 
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