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ptable

Last updated: Mar 29, 2026

ptable

PERIODIC TABLE OF ELEMENTS

IA VIIA NOBLE GASES
1 1 2
H H He
1.008 IIA
IVB
IIIB
VB VIB VIIB VIIIB VIIIB VIIIB IB IIB IIIA IVA VA VIA 1.008 4.002
3 4 5 6 7 8 9 10
Li Be B C N 0 F Ne
6.941 9.012 10.81 12.01 14.01 16.00 19.00 20.18
11 12 13 14 15 16 17 18
Na Mg Al Si P S Cl Ar
22.99 24.30 26.98 28.09 30.97 32.06 35.45 39.95
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
39.10 40.08 44.96 47.87 50.94 52.00 54.94 55.85 58.93 58.69 63.55 65.38 69.72 72.61 74.92 78.96 79.90 83.80
37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te 1 Xe
85.47 87.62 88.91 91.22 92.91 95.96 (98) 101.07 102.91 106.42 107.87 112.41 114.82 118.71 121.76 127.60 126.90 131.29
55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg TI Pb Bi Po At Rn
132.91 137.33 138.91 78.49 180.95 183.84 186.21 190.23 192.22 195.08 196.97 200.59 204.38 207.2 208.98 (209) (210) (222)
87 88 89 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118
(223) (226) (227) (267) (268) (271) (272) (270) (276) (281) (280) Cn Uut Uuq Uup Uuh Uus Uuo
Lanthanide series
Actinide series
58
Ce
140.12
59
Pr
140.91
60
Nd
144.24
61
Pm
(145)
62
Sm
150.36
63
Eu
151.96
64
Gd
157.25
65
Tb
158.93
66
Dy
162.50
67
Ho
164.93
68
Er
167.26
69
Tm
168.93
70
Yb
173.06
71
Lu
174.97
232.04 231.04 238.03 (237) (244) (243) (247) (247) (251) (252) (257) (258) (259) (262)