374 



Dr. G. J. Stoney on the 





Name of Gas. 



Chemical 



Formula of 



Molecule. 



Atomicity of 

 Molecule. 



Observed 

 Value 

 of y. 



Computed 

 Value of 







m. 



m—3. 



Mercurv 



Hg 



1 



1-67 



30 



00 







Argon 



i 



Not yet known. 



1*65 



31 



01 





+= 



r Hydrogen 



H 2 



». 



CO 



HC1 

 HBr 

 HI 



Cl 2 

 Br 2 



\ 



IC1 



2 



1-41 

 1-41 

 1-40 

 1-39 

 1-42 

 1-40 



1-32 

 1-29 

 1-29 

 1-31 



49 

 4-9 

 50 

 51 



4-8 

 50 



6-2 

 6-9 

 69 



6-5 



1-9 

 1-9 

 20 

 21 



1-8 

 20 



3-2 

 3-9 

 39 

 3-5 





Nitrogen 



Coloured Transpai 

 Gases. Gases 



Carbon monoxide .. 



Hydrochloric acid .. 



Hydrobromic acid .. 



^ Hydriodie acid . . . 



r Chlorine 



Bromine 



Iodine . 





\ Iodine chloride ... 





Carbo 



n dioxide 



co 2 



N 2 

 SH 2 



cs 2 



3 



4 



5 



1-308 

 1-310 

 1-340 

 1-239 



6-5 

 6-5 

 5-9 

 8-4 



3-5 

 3'5 

 2-9 

 54 





Nitroi 



is oxide 





Sulph 

 Carbo 



uretted hydrogen ... 

 n bisulphide 











Amini 



jnia 



NH 3 



1-30 



6-7 



3-7 











Meth? 

 Methi 

 Methj 

 Metlr 

 Meth" 

 Chlor 

 Carbc 

 Silico] 



f\ chloride 



CH 4 

 CH S C1 

 CH 3 Br 



CH3I 



CH 2 C1 2 



CHC1 3 



CC1 4 



SiCl 4 



1-313 

 1-279 

 1-274 

 1-286 

 1-219 

 1-154 

 1130 

 1-129 



64 



7-2 



73 



70 



9-2 



130 



15-4 



15-6 



34 



4-2 



4-3 



40 



6-2 



100 



12-4 



12-6 





'1 bromide „. 





7I iodide ,. 





plene chloride 



n tetrachloride ...... 



1 tetrachloride .... 





Ethyl 

 Vinyl 



ene 



C,H t 

 C 2 H,Br 



6 

 8 



1-260 

 1198 



77 

 101 



4-7 

 71 





bromide 









Ethar 





C 2 H 6 

 C 2 H 5 C1 

 2 H 5 Br 

 C 2 H 4 CL 



c: 2 h 4 ci 2 



1180 

 1-187 

 1-188 

 1-137 

 1-134 



111 

 107 

 106 

 14-7 

 14-9 



8-1 



7-7 



76 



11-7 



11-9 





Ethyl 

 Ethyl 

 Ethyl 

 Ethyl 







ene chloride 





Ldene chloride 









Allyl 



chloride 



C,H-C1 

 8 H 6 Br 

 C 2 H 5 0H 



9 



1137 

 1145 

 1-133 



14-7 

 139 

 151 



11 7 



10-9 

 12-1 





Allyl 

 Alcoh 



ol 











Prop,' 

 Norm 

 Isopr 

 Isopr 

 Ethyl 

 Metlr 





C 3 H 8 



C,H 7 C1 



C 3 H 7 C1 



3 H 7 Br 



HC60C,H- 



CII 3 CO-OCH 3 . 



11 



1130 

 1120 

 1-127 

 1-131 

 1124 

 1137 



15-4 

 159 

 159 

 15-4 

 161 

 14-7 



124 

 12-9 

 129 

 12-4 

 13-1 

 11 7 





al propyl chloride ... 

 Dpyi chloride 





opyl bromide 





pi acetate 









