1.008

6.941

22.99

39.10

85.47

132.9

(223)

9.012

24.31

40.08

87.62

137.3

(226)

44.96

88.91

47.87

91.22

178.5

(265)

50.94

92.91

180.9

(268)

52.00

95.96

183.8

(271)

54.94

(98)

186.2

(272)

55.85

101.1

190.2

(277)

58.93

102.9

192.2

(276)

58.69

106.4

195.1

(281)

63.55

107.9

197.0

(280)

65.38

112.4

200.6

(285)

10.81

26.98

69.72

114.8

204.4

(284)

12.01

28.09

72.64

118.7

207.2

(289)

14.01

30.97

74.92

121.8

209.0

(288)

16.00

32.07

78.96

127.6

(209)

(293)

19.00

35.45

79.90

126.9

(210)

(294)

4.003

20.18

39.95

83.80

131.3

(222)

(294)

138.9

(227)

140.1

232.0

140.9

231.0

144.2

238.0

(145)

(237)

150.4

(244)

152.0

(243)

157.3

(247)

158.9

(247)

162.5

(251)

164.9

(252)

167.3

(257)

168.9

(258)

173.1

(259)

175.0

(262)

ElementsTHE

AtomicNumber

Chemical Symbol

Chemical Name

1.008 AtomicWeight

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Flerovium Livermorium

Series funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, Lockheed Martin Corporation, and PBS viewers. Major funding for “Hunting the Elements” is provided by the Alfred P. Sloan Foundation. Additional funding for “Hunting the Elements” is provided by the U.S. Department of Energy and by the Millicent and Eugene Bell Foundation.

This material is based upon work supported by the Department of Energy under Award Number DE-SC0007358. Disclaimer: This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, or service by trade name,

trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendations, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. CREDITS: Atomic weight is consistent with NIST SP 966 (September 20120).

Alkali Metals

Alkaline Earth Metals

Transition Metals

Lanthanides

Actinides

Other Metals

Metalloids

Other Nonmetals

Halogens

Noble Gases