Atomic Masses 509
45 44.956 189 163 d
46 45.953 689 0.0035
47 46.954 543 4.5 d
48 47.952 532 0.18721 Scandium Sc 45 44.955 914 10022 Titanium Ti 46 45.952 633 8.25
47 46.951 765 7.45
48 47.947 947 73.7
49 48.947 871 5.4
50 49.944 786 5.223 Vanadium V 48 47.952 257 16 d
50 49.947 161 0.25 1017 y
51 50.943 962 99.7524 Chromium Cr 48 47.954 033 21.6 h
50 49.946 046 4.35
52 51.940 510 83.79
53 52.940 651 9.50
54 53.938 882 2.3625 Manganese Mn 54 53.940 360 312.5 d
55 54.938 046 10026 Iron Fe 54 53.939 612 5.8
56 55.934 939 91.8
57 56.935 396 2.1
58 57.933 278 0.3
59 58.934 878 44.6 d27 Cobalt Co 58 57.935 755 70.8 d
59 58.933 198 100
60 59.933 820 5.3 y28 Nickel Ni 58 57.935 347 68.3
60 59.930 789 26.1
61 60.931 059 1.1
62 61.928 346 3.6
64 63.927 968 0.929 Copper Cu 63 62.929 599 69.2
64 63.929 766 12.7 h
65 64.927 792 30.830 Zinc Zn 64 63.929 145 48.6
65 64.929 244 244 d
66 65.926 035 27.9
67 66.927 129 4.1
68 67.924 846 18.8
70 69.925 325 0.631 Gallium Ga 69 68.925 581 60.1
71 70.924 701 39.932 Germanium Ge 70 69.924 250 20.5
72 71.922 080 27.4Atomic Relative
Z Element Symbol A Mass, u Abundance, % Half-Lifebei48482_app.qxd 1/26/02 5:11 AM Page 509