bei48482_FM

510 Appendix

73 72.923 464 7.8

74 73.921 179 36.5

76 75.921 403 7.8

33 Arsenic As 74 73.923 930 17.8 d

75 74.921 596 100

34 Selenium Se 74 73.922 477 0.9

76 75.919 207 9.0

77 76.919 908 7.6

78 77.917 304 23.5

80 79.916 520 49.8

82 81.916 709 9.2

35 Bromine Br 79 78.918 336 50.7

80 79.918 528 17.7 min

81 80.916 290 49.3

36 Krypton Kr 78 77.920 397 0.35

80 79.916 375 2.25

81 80.916 578 2.1 105 y

82 81.913 483 11.6

83 82.914 134 11.5

84 83.911 506 57.0

86 85.910 614 17.3

37 Rubidium Rb 85 84.911 800 72.2

87 86.909 184 27.8 4.9 1010 y

38 Strontium Sr 84 83.913 428 0.6

86 85.909 273 9.8

87 86.908 890 7.0

88 87.905 625 82.6

39 Yttrium Y 89 88.905 856 100

40 Zirconium Zr 90 89.904 708 51.5

91 90.905 644 11.2

92 91.905 039 17.1

94 93.906 319 17.4

96 95.908 272 2.8

41 Niobium Nb 93 92.906 378 100

42 Molybdenum Mo 92 91.906 809 14.8

94 93.905 086 9.3

95 94.905 838 15.9

96 95.904 675 16.7

97 96.906 018 9.6

98 97.905 405 24.1

100 99.907 473 9.6

43 Technetium Tc 99 98.906 252 2.1 105 y

44 Ruthenium Ru 96 95.907 596 5.5

98 97.905 287 1.9

99 98.905 937 12.7

100 99.904 217 12.6

Atomic Relative

Z Element Symbol A Mass, u Abundance, % Half-Life

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