some Constants of the Inert Gases. 75 



which passes near the origin (fig. 3). The numbers employed 

 are given in Table V. 



Fig. 3. — Inert Gases. 



Relative number of electrons squared (N 2 ) plotted against 



critical temperatures. 



N 2 



CO 







/ X 





/A 



. / . ... 



A 



/ 







,• He 







100 



200 300 



Absolute Temperature 



Table V. 





Relative number of 

 Electrons squared. 



Critical Temperature 

 (absolute). 



Helium 



1-46 



67 



20-97 



28-57 



37'5 



5 



1556 

 210-6 

 287-7 



Neon 



Argon 



Krypton 



Xenon 





The critical temperature of neon is unknown : but calcu- 

 lated from the ordinate it should be in the neighbourhood o( 

 46° A. 



