Periodic Table of the Elements

1 H 1.0079

2 He 4.0026

3 Li 6.941

4 Be 9.0122

5 B 10.811

6 C 12.011

7 N 14.007

8 O 15.999

9 F 18.998

10 Ne 20.180

11 Na 22.990

12 Mg 24.305

13 Al 26.982

14 Si 28.086

15 P 30.974

16 S 32.066

17 Cl 35.453

18 Ar 39.948

19 K 39.098

20 Ca 40.078

21 Sc 44.956

22 Ti 47.867

23 V 50.942

24 Cr 51.996

25 Mn 54.938

26 Fe 55.845

27 Co 58.933

28 Ni 58.693

29 Cu 63.546

30 Zn 65.39

31 Ga 69.723

32 Ge 72.61

33 As 74.922

34 Se 78.96

35 Br 79.904

36 Kr 83.80

37 Rb 85.468

38 Sr 87.62

39 Y 88.906

40 Zr 91.224

41 Nb 92.906

42 Mo 95.94

43 Tc (98)

44 Ru 101.07

45 Rh 102.91

46 Pd 106.42

47 Ag 107.87

48 Cd 112.41

49 In 114.82

50 Sn 118.71

51 Sb 121.76

52 Te 127.60

53 I 126.90

54 Xe 131.29

55 Cs 132.91

56 Ba 137.33

71 Lu 174.97

72 Hf 178.49

73 Ta 180.95

74 W 183.84

75 Re 186.21

76 Os 190.23

77 Ir 192.22

78 Pt 195.08

79 Au 196.97

80 Hg 200.59

81 Tl 204.38

82 Pb 207.2

83 Bi 208.98

84 Po (209)

85 At (210)

86 Rn (222)

87 Fr (223)

88 Ra (226)

103 Lr (262)

104 Rf (261)

105 Db (262)

106 Sg (263)

107 Bh (264)

108 Hs (265)

109 Mt (268)

110 Ds (281)

111 Rg (272)

112 Cn (277)

113 Uut (284)

114 Fl (289)

115 Uup (288)

116 Lv (292)

117 Uus (293)

118 Uuo (294)

119 Uue (???)

120 Ubn (???)

57 La 138.91

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 173.04

89 Ac (227)

90 Th 232.04

91 Pa 231.04

92 U 238.03

93 Np (237)

94 Pu (244)

95 Am (243)

96 Cm (247)

97 Bk (247)

98 Cf (251)

99 Es (252)

100 Fm (257)

101 Md (258)

102 No (259)

121 Ubu (???)

122 Ubb (???)

123 Ubt (???)

124 Ubq (???)

125 Ubp (???)

126 Ubh (???)

127 Ubs (???)

128 Ubo (???)

129 Ube (???)

130 Utn (???)

131 Utu (???)

132 Utb (???)

133 Utt (???)

134 Utq (???)

135 Utp (???)

136 Uth (???)

137 Fy (???)

138 Uto (???)