2o8  International  Atomic  Weights.      { An^°cuhr-  fj1™' 
INTERNATIONAL  ATOMIC  WEIGHTS,  1918. 
Sym- 
Atomic 
bol. 
Weight. 
Al 
27.1 
Sb 
120.2 
A 
39-88 
As 
74.96 
Ba 
137.37 
Bismuth   
Bi 
208  0 
Boron   
B 
11.0 
Bromine   
Br 
79.92 
Cadmium   
Cd 
II2.4ti 
Cs 
132.81 
Calcium   
Ca 
40.07 
Carbon   
c 
12.005 
Ce 
140.25 
Chlorine   
CI 
35.46 
Chromium   
  Cr 
52.0 
Cobalt   
Co 
58.97 
Columbium   
  Cb 
93.1 
Copper   
Cu 
63  ^7 
Dysprosium   
  Dy 
162.5 
Erbium   
  Er 
167.7 
Europium   
  Eu 
152.0 
Fluorine   
F 
19.0 
Gadolinium   
Gd 
1=17. "3 
Gallium   
Ga 
69.9 
Germanium  
Ge 
72.=; 
Glucinum   
  Gl 
9.1 
Gold   
  Au 
107.2 
Helium   
He 
4.00 
Holmium   
.  Ho 
l63.  =i 
Hvdrofren 
H 
I.O08 
Indium   
In 
1 14.8 
Iodine   
I 
I26.92 
Iridium   
Ir 
193. 1 
Iron  ,  
Fe 
55.84 
Krypton   
Kr 
82.92 
La 
I39.0 
Pb 
207.20 
"Lithium   
Li 
6.94 
Lutecium   
Lu 
175.0 
......  Mg 
24-32 
Mn 
54-93 
  Hg 
200.6 
Mo 
96.0 
Sym- 
Atomic 
bol. 
Weight. 
Neodymium   
Nd 
I44.3 
Ne 
20.2 
Nickel   
Ni 
58.68 
Niton  (radium 
emanation)   
Nt 
222.4 
Nitrogen   
N 
14.01 
Osmium   
Os 
190.9 
Oxygen   
0 
l6.00 
Palladium   
Pd 
I06.7 
Phosphorus   
P 
31.04 
Platinum   
Pt 
195.2 
Potassium   
K 
39.10 
Praseodymium   
Pr 
I4O.9 
Radium   
Ra 
226.0 
Rhodium   
Rh 
102.9 
Rubidium   
Rb 
85.45 
Ruthenium   
Ru 
I0I.7 
Samarium   
Sa 
I5O.4 
Scandium   
Sc 
44.1 
Selenium   
Se 
70  2 
Silicon   
Si 
28.3 
Silver   
Ag 
107.88 
Sodium   
Na 
Q.1  OO 
Strontium   
Sr 
87  63 
Sulphur   
s 
-?  2  06 
Tantalum   
Ta 
181.5 
Tellurium 
Te 
Terbium 
Tb 
Thallium  . 
Tl 
204.0 
Thorium 
Th 
Thulium   
Tm 
168.5 
Tin  . 
Sn 
1 18.7 
Titanium   
Ti 
48.I 
W 
184.O 
U 
238.2 
V 
51.0 
Xe 
130.2 
Ytterbium 
(Neoytterbium)  . . . 
Yb 
173.5 
Yttrium   
Yt 
88.7 
Zn 
65-37 
Zirconium   
Zr 
90.6 
