Page 361 - Theory and Problems of BEGINNING CHEMISTRY

4.00260 He 10 Ne 20.179 18 Ar 39.948 36 Kr 83.80 54 Xe 131.30 86 Rn (222)
0 0 18
2
VIIA VIIB 17 9 F 18.9984 17 Cl 35.453 35 Br 79.904 53 I 126.9045 85 At (210) 71 Lu 174.97 103 Lr (257)

15.9994 O 16 S 32.06 34 Se 78.96 52 Te 127.60 84 Po (210) 70 Yb 173.04 102 No (254)
VIA VIB
16
8
VA VB 15 7 N 14.0067 15 P 30.9738 33 As 74.9216 51 Sb 121.75 83 Bi 208.9806 69 Tm 168.9342 101 Md (256)
12.011 14 28.086 32 72.59 50 Sn 118.69 82 Pb 207.2 68 167.26
IVA IVB C Si Ge Er 100 Fm (253)
14
6
IIIA IIIB 13 5 B 10.81 13 Al 26.9815 31 Ga 69.72 49 In 114.82 81 Tl 204.37 67 Ho 164.9303 99 Es (254)

IIB IIB 12 30 Zn 65.37 48 Cd 112.40 80 Hg 200.59 66 Dy 162.50 98 Cf (251)
TABLE IB IB 11 10 29 28 Cu Ni 63.546 58.71 47 46 Ag Pd 107.868 106.4 79 78 Au Pt 196.9665 195.09 65 64 Tb Gd 158.9254 157.25 97 96 Bk Cm (249) (247)

PERIODIC VIII VIII 9 8 27 26 Co Fe 58.9332 55.847 45 44 Rh Ru 102.9055 101.07 77 76 Ir Os 192.22 190.2 109 108 Mt Hs (266) (265) 63 62 Eu Sm 151.96 150.4 95 94 Am Pu (243) (242)

VIIB VIIA 7 25 Mn 54.9380 43 Tc 98.9062 75 Re 186.2 107 Bh (262) 61 Pm (145) 93 Np 237.0482

VIB VIA 6 24 Cr 51.996 42 Mo 95.94 74 W 183.85 106 Sg (263) 60 Nd 144.24 92 U 238.029

50.9414 V 92.9064 180.9479 105 (260) Pr 140.9077
VB VA 5 23 41 Nb 73 Ta Db 59 91 Pa 232.0381 231.0359

IVB IVA 4 22 Ti 47.90 40 Zr 91.22 72 Hf 178.49 104 Rf (257) 58 Ce 140.12 90 Th
∗ †
44.9559 Y 88.9059 138.9055 (227) ∗ †
IIIB IIIA 3 21 Sc 39 57 La 89 Ac
9.01218 Mg Sr 226.0254
IIA IIA 2 4 Be 12 24.305 20 Ca 40.08 38 87.62 56 Ba 137.34 88 Ra

IA IA 1 1 H 1.0080 3 Li 6.941 11 Na 22.9898 19 K 39.102 37 Rb 85.4678 55 Cs 132.9055 87 Fr (223)
Group Numbers Classical Amended Modern

350