1 G

H

1.008 2 G

He

4.003 3 S

Li

6.941 4 S

Be

9.012 5 S

B

10.811 6 S

C

12.01 7 G

N

14.01 8 G

O

16.00 9 G

F

19.00 10 G

Ne

20.18 11 S

Na

22.99 12 S

Mg

24.31 13 S

Al

26.98 14 S

Si

28.09 15 S

P

30.97 16 S

S

32.06 17 G

Cl

35.45 18 G

Ar

39.95 19 S

K

39.10 20 S

Ca

40.08 21 S

Sc

44.96 22 S

Ti

47.87 23 S

V

50.94 24 S

Cr

52.00 25 S

Mn

54.94 26 S

Fe

55.85 27 S

Co

58.93 28 S

Ni

58.69 29 S

Cu

63.55 30 S

Zn

65.38 31 S

Ga

69.72 32 S

Ge

72.63 33 S

As

74.92 34 S

Se

78.97 35 L

Br

79.90 36 G

Kr

83.80 37 S

Rb

85.47 38 S

Sr

87.62 39 S

Y

88.91 40 S

Zr

91.22 41 S

Nb

92.91 42 S

Mo

95.95 43 S

Tc

97.91* 44 S

Ru

101.07 45 S

Rh

102.91 46 S

Pd

106.42 47 S

Ag

107.87 48 S

Cd

112.41 49 S

In

114.82 50 S

Sn

118.71 51 S

Sb

121.76 52 S

Te

127.60 53 S

I

126.90 54 G

Xe

131.29 55 S

Cs

132.91 56 S

Ba

137.33 57 S

La

138.91 58 S

Ce

140.12 59 S

Pr

140.91 60 S

Nd

144.24 61 S

Pm

144.91* 62 S

Sm

150.36 63 S

Eu

151.96 64 S

Gd

157.25 65 S

Tb

158.93 66 S

Dy

162.50 67 S

Ho

164.93 68 S

Er

167.26 69 S

Tm

168.93 70 S

Yb

173.05 71 S

Lu

174.97 72 S

Hf

178.49 73 S

Ta

180.95 74 S

W

183.84 75 S

Re

186.21 76 S

Os

190.23 77 S

Ir

192.22 78 S

Pt

195.08 79 S

Au

196.97 80 L

Hg

200.59 81 S

Tl

204.38 82 S

Pb

207.20 83 S

Bi

208.98 84 S

Po

208.98* 85 S

At

209.99* 86 S

Rn

222.02* 87 S

Fr

223.02* 88 S

Ra

226.03* 89 S

Ac

227.03* 90 S

Th

232.04* 91 S

Pa

231.04* 92 S

U

238.03* 93 S

Np

237.05* 94 S

Pu

244.06* 95 S

Am

243.06* 96 S

Cm

247.07* 97 S

Bk

247.07* 98 S

Cf

251.08* 99 S

Es

252.08* 100 S

Fm

257.10* 101 S

Md

258.10* 102 S

No

259.10* 103 S

Lr

266.12* 104 S

Rf

267.12* 105 S

Db

268.13* 106 S

Sg

271.13* 107 S

Bh

270.13* 108 S

Hs

277.15* 109 S

Mt

278.16* 110 S

Ds

281.17* 111 S

Rg

282.17* 112 S

Cn

285.18* 113 S

Nh

286.19* 114 S

Fl

289.19* 115 S

Mc

289.19* 116 S

Lv

293.20* 117 S

Ts

294.21* 118 G

Og

294.21*