﻿Phil. 
  Mag.— 
  Wilde. 
  

  

  Elementary 
  Substances. 
  

  

  [To 
  face 
  p. 
  733. 
  

  

  Table 
  I. 
  

   M 
  their 
  Atomic 
  Weights 
  in 
  Multiple 
  Proportions, 
  1878-1894-1902-1903-1906-1913. 
  

  

  10 
  

  

  11 
  

  

  H 
  = 
  1 
  

  

  Li 
  = 
  7 
  

   .... 
  7* 
  

  

  ()■:.!)! 
  

  

  Na= 
  23 
  

   .... 
  23 
  

  

  0-98 
  

  

  K 
  = 
  39 
  

   .. 
  . 
  39 
  

  

  0-86 
  

  

  Cu= 
  62 
  

   .. 
  ..63-3 
  

  

  8-9 
  

  

  Rb 
  =85 
  

  

  .. 
  .. 
  85 
  

   1-52 
  

  

  Ag=108 
  

   .. 
  ..108 
  

   10-6 
  

  

  Cs 
  =131 
  

   .. 
  ..132 
  

  

  1-88 
  

  

  X 
  =154 
  

   "i2'2t" 
  

  

  X 
  =177 
  

  

  2-2± 
  

  

  Hg=200 
  

  

  .. 
  ..200 
  

   13-6 
  

  

  + 
  H2n 
  

  

  He 
  

  

  H3/i 
  

  

  Be 
  

  

  = 
  19 
  

  

  . 
  19 
  

  

  CI 
  = 
  35 
  

   .. 
  .. 
  35-5 
  

   1-3 
  

  

  Br= 
  81 
  

  

  .. 
  .. 
  80 
  

   30 
  

  

  = 
  127 
  

  

  . 
  ..127 
  

   495 
  

  

  1-04 
  

  

  Mg= 
  24 
  

   .. 
  .. 
  24 
  

  

  1-74 
  

  

  Ca 
  = 
  40 
  

  

  .. 
  .. 
  40 
  

  

  1-8 
  

  

  Zn= 
  64 
  

  

  .. 
  .. 
  05 
  

  

  7-2 
  

  

  Sr 
  = 
  

  

  87-5 
  

  

  2-54 
  

  

  Cd 
  =112 
  

   .. 
  ..112 
  

  

  8-69 
  

  

  Ba=136 
  

  

  .. 
  .-137 
  

   3-75 
  

  

  X 
  =160 
  

  

  io'-13J" 
  

   Ra=184 
  

  

  "4 
  : 
  8j" 
  

  

  Pb=208 
  

  

  .. 
  ..207 
  

   11-44 
  

  

  2-05 
  

  

  .. 
  79-4 
  

   4-8 
  

  

  Te=128 
  

  

  .. 
  ..128 
  

   6-3 
  

  

  C 
  = 
  12 
  

  

  .. 
  .. 
  12 
  

  

  1-71§ 
  

  

  Al 
  

  

  2-56 
  

  

  Sc 
  

  

  3-4 
  

  

  H4u 
  

  

  - 
  = 
  16 
  

  

  32 
  

  

  Ti 
  

  

  4-1J 
  

  

  Ce 
  =69 
  ! 
  Ge= 
  72 
  

  

  92 
  : 
  141 
  .... 
  72-7 
  

   6-5 
  5-47 
  

  

  Ga 
  = 
  96 
  Zr 
  = 
  92 
  

  

  .... 
  70 
  ' 
  ... 
  90 
  

   5-95 
  4-15? 
  5-4+ 
  

  

  Y 
  =123 
  Sn=116 
  

  

  01-7:89-o 
  .. 
  ..110 
  

   8-1J 
  7-29 
  

  

  In 
  =150 
  La 
  =140 
  

  

  75-6:113-4 
  .. 
  ..139 
  

   7-42 
  6-7 
  

  

  164 
  

  

  Er 
  =177 
  X 
  

  

  ■ 
  • 
  ..170-6 
  

  

  9-4J 
  i 
  9-11 
  + 
  

  

  Tl 
  =204 
  D 
  =188 
  

   ■ 
  ... 
  204 
  ... 
  95 
  

  

  11-85 
  8-0J 
  

  

  Th=231 
  U 
  =240 
  

  

  .. 
  ..231-4 
  240 
  

  

  11-23 
  

  

  18-4 
  

  

  H5n 
  

  

  B 
  = 
  10 
  

  

  .. 
  .. 
  11 
  

   2-63 
  

  

  P 
  = 
  30 
  

  

  .. 
  .. 
  31 
  

  

  1-82 
  

  

  V 
  = 
  50 
  

  

  51-2 
  

  

  H6^ 
  

  

  18 
  

  

  36 
  

  

  Cr 
  = 
  54 
  

  

  . 
  52-4 
  

  

  5-5 
  

  

  7-3 
  

  

  As= 
  75 
  

   .... 
  75 
  

  

  5-63 
  

  

  

  Nb= 
  95 
  

  

  .. 
  .. 
  94 
  

   6-67 
  

  

  Mo= 
  96 
  

  

  .. 
  .. 
  96 
  

  

  8-6 
  

  

  Sb 
  =120 
  

  

  .. 
  ..120 
  

   6-72 
  

  

  

  X 
  =140 
  

  

  X 
  =144 
  

  

  8-15J 
  

  

  io-ot 
  

  

  X 
  =165 
  

  

  

  '"8-30J 
  ' 
  

  

  

  Ta 
  =185 
  

  

  1 
  82 
  

   lb-78?9-8t 
  

  

  W 
  =186 
  

  

  .. 
  ..184 
  

   18-26 
  

  

  Bi 
  =210 
  

  

  .. 
  ..210 
  

   9-83 
  

  

  

  * 
  Accepted 
  Atomic 
  Weights. 
  

  

  t 
  Specific 
  Gravities. 
  

  

  J 
  Estimated. 
  

  

  Anthracite. 
  

  

  K7n 
  

  

  Ne 
  = 
  7 
  

  

  N 
  : 
  

   Ar: 
  

   Kr: 
  

  

  Xe: 
  

  

  Si 
  : 
  

  

  2-49 
  

  

  Fe= 
  56 
  

   Mn= 
  56 
  

   m= 
  56 
  

   Co 
  = 
  56 
  

  

  Pd 
  = 
  105 
  

   Rh=105 
  

   Ru=105 
  

   Da 
  =105 
  

  

  Au=196 
  

   Pt 
  =196 
  

   Ir 
  =196 
  

   Os 
  =196 
  

  

  56—8-14H 
  

   55—8-00 
  

   58—8-66 
  

   58—8-96 
  

  

  105-6—12-0 
  

   104-4— 
  11-2 
  

   104-4—11-4 
  

  

  196—19-34 
  

  

  197—21-50 
  

   198—22-42 
  

   198—22-48 
  

  

  The 
  accepted 
  atomic 
  weights 
  are 
  taken 
  from 
  the 
  standard 
  works 
  and 
  tables 
  of 
  Wurtz 
  Eoscoe 
  and 
  * 
  n 
  L 
  i 
  

  

  and 
  Watts'. 
  'Diet. 
  CW 
  Suppl. 
  p. 
  247-AtoSv 
  Sohorlem 
  ™^ 
  

  

  -Atomicity. 
  

  

  Electro-deposited. 
  

   J. 
  P. 
  Cooke, 
  F. 
  W. 
  Clarke, 
  

  

  