INDEX 



Schottky slope, 345, 347 



Schulten, 251 



Science, 323 



Science Programs, 20 



"Science, the Endless Frontier", 12 



scientific war work, 16 



second World War, 12 



secondary spectrum, 116, 133 



secondary valence, 63, 67, 69 



secondary valence forces, 60 



segregation, 226, 237, 262 



segregation of ions, 225 



segregation of molecules, 84 



Selenates, 251, 257 



separation of the ions, 246 



serendipity, IX 



shadow, 296, 297 



shape and orientation, 275 



shape and orientation of Molecule, 

 271 



shape factor, 115, 147. 168 



sheaths, 390, 392, 393, 396, 397 



sheath of the atom, 389 



shell of atoms, 40 



Sherman, 64 



short range forces, 56 



Siegel, 195, 196, 197, 204 



SiFe, 394 



silica, 143 



silicates, 256 



Silicates, glasses, slags, complex sul- 

 fides and most minerals, 394 



silicon, 121, 123, 396 



silver, 300 



silver bromate, 253 



silver chlorate, 253 



silver nitrate, 253 



Simon, Zeits. f. phys. Chemie, 324 



slip, 170, 299, 308 



slip of gases, 163 



Smoluchowski, 128, 163, 164, 165, 202, 

 29S, 305, 307 



Smoluchowski, Phil. Mag., 299 



Smyth, C. P.. 239 



Smyth report, 12, 13 



Snow, Edgar, 30 



soap, 32, 234 



Social Security Laws, 16 



soda-glass, 317 



Soddy, 298, 308 



sodium, 67, 257 



sodium acid carbonate, 252 



sodium and chlorine atoms, 308 



sodium atom, 317, 389 



sodium bromate, 252 



sodium carbonate, 252 



sodium chlorate, 252, 253 



sodium chloride, 308 



sodium chloride crystal, 309 



sodium compounds, 248 



sodium fluoride, 246 



sodium hydrogen sulfite, 250 



sodium hydrogen sulfate, 250 



sodium hydroxide, 70 



sodium ion, 245, 246, 248, 255 



sodium nitrate, 247, 248, 250, 252, 



253, 256 

 sodium salts, 245 

 solid bodies, 67 

 solid films, 45 

 solubilities, 86 

 solubility, 43, 87, 242, 244, 270, 272, 



276 

 solution, 44, 68 

 Soviet Government, 17, 18, 27 

 Soviet Union, 26, 28, 30 

 space charge, 356, 357 

 space lattices, 207 

 Spain, 21 



specific heat, 139, 204 ' 

 specific heat of hydrogen, 194, 201 

 specific heat of molecular hydrogen, 



121 

 sphere, 273, 275 

 spherical and cylindrical, 271 

 spherical molecule, 270 

 spontaneous disintegration, 8 

 spontaneous disradioactive changes, 8 

 spreading force, 56, 281 

 spreading force F, 44 

 square surface lattice, 383 

 squirted tungsten filaments, 104 

 stable configurations, 260 

 stability of matter, 60 



432 



