Atomic Mass

Name chemical element Symbol Atomic number

-  1.0079 Hydrogen H 1

- Atomic number 4.0026 Helium He 2

- Symbol 6.941 Lithium Li 3

- Atomic Mass 9.0122 Beryllium Be 4

-  10.811 Boron B 5

-  12.0107 Carbon C 6

-  14.0067 Nitrogen N 7

-  15.9994 Oxygen O 8

-  18.9984 Fluorine F 9

-  20.1797 Neon Ne 10

-  22.9897 Sodium Na 11

-  24.305 Magnesium Mg 12

- 26.9815 Aluminum Al 13

28.0855 Silicon Si 14

30.9738 Phosphorus P 15

32.065 Sulfur S 16

35.453 Chlorine Cl 17

39.0983 Potassium K 19

39.948 Argon Ar 18

40.078 Calcium Ca 20

44.9559 Scandium Sc 21

47.867 Titanium Ti 22

50.9415 Vanadium V 23

51.9961 Chromium Cr 24

54.938 Manganese Mn 25

55.845 Iron Fe 26

58.6934 Nickel Ni 28

58.9332 Cobalt Co 27

63.546 Copper Cu 29

65.39 Zinc Zn 30

69.723 Gallium Ga 31

72.64 Germanium Ge 32

74.9216 Arsenic As 33

78.96 Selenium Se 34

79.904 Bromine Br 35

83.8 Krypton Kr 36

85.4678 Rubidium Rb 37

87.62 Strontium Sr 38

88.9059 Yttrium Y 39

91.224 Zirconium Zr 40

92.9064 Niobium Nb 41

95.94 Molybdenum Mo 42

98 TECHNETIUM Tc 43

101.07 Ruthenium Ru 44

102.9055 Rhodium Rh 45

106.42 Palladium Pd 46

107.8682 Silver Ag 47

112.411 Cadmium Cd 48

114.818 Indium In 49

118.71 Tin Sn 50

121.76 ANTIMONY Sb 51

126.9045 Iodine I 53

127.6 TELLURIUM Te 52

131.293 Xenon Xe 54

132.9055 Cesium Cs 55

137.327 Barium Ba 56

138.9055 Lanthanum La 57

140.116 Cerium Ce 58

140.9077 Praseodymium Pr 59

144.24 Neodymium Nd 60

145 Promethium Pm 61

150.36 Samarium Sm 62

151.964 Europium Eu 63

157.25 Gadolinium Gd 64

158.9253 Terbium Tb 65

162.5 Dysprosium Dy 66

164.9303 Holmium Ho 67

167.259 Erbium Er 68

168.9342 Thulium Tm 69

173.04 Ytterbium Yb 70

174.967 Lutetium Lu 71

178.49 Hafnium Hf 72

180.9479 Tantalum Ta 73

183.84 Tungsten W 74

186.207 Rhenium Re 75

190.23 Osmium Os 76

192.217 Iridium Ir 77

195.078 Platinum Pt 78

196.9665 Gold Au 79

200.59 Mercury Hg 80

204.3833 Thallium Tl 81

207.2 Lead Pb 82

208.9804 Bismuth Bi 83

209 Polonium Po 84

210 Astatine At 85

222 Radon Rn 86

223 Francium Fr 87

226 Radium Ra 88

227 ACTINIUM Ac 89

231.0359 Protactinium Pa 91

232.0381 Thorium Th 90

237 Neptunium Np 93

238.0289 Uranium U 92

243 Americium Am 95

244 Plutonium Pu 94

247 Curium Cm 96

247 Berkelium Bk 97

251 Californium Cf 98

252 Einsteinium Es 99

257 Fermium Fm 100

258 Mendelevium Md 101

259 Nobelium No 102

261 Rutherfordium Rf 104

262 Lawrencium Lr 103

262 Dubnium Db 105

264 Bohrium Bh 107

266 Seaborgium Sg 106

268 Meitnerium Mt 109

272 Roentgenium Rg 111

277 Hassium Hs 108

Darmstadtium Ds 110

Copernicium Cn 112

Nihonium Nh 113

Flerovium Fl 114

Moscovium Mc 115

Livermorium Lv 116

Tennessine Ts 117

Oganesson Og 118