Potentials for Electrons in Metallic Vapours. 69 



Table I. — Resonance and Ionization Potentials for Cadmium. 

 Referring to fio-s. 2 and 3. 



Curve 



1 



2 



3 



4 



5 



6 



7 



7 



Applied Potentials at Eesonance. 



a. 



b. 



c. 



d. 



3-6 



7 '6 







2-8 



6-8 







35 



7-6 







2-8 



6-8 







36 



7-5 



11-3 





3-4 



7-5 







3-6 



7-7 



11-2 



144 



8-6(0 



13-OC?) 



16-8 (k) 



20-7(<0 



Total o. 



irrent c 



urve ... 





IS -4 



Applied i g ^ 

 Potentials! § -J| 



Ionization' © o 



P2Ph 



«. 



8-5 

 7-6 



8-2 



8-4 



8-5 



8 ; 97t 



8-9 (P) 



4-0 



40 



4-1 



4-0 



3-85 



4-1 



3-72* 



392f 



11 

 •06-* 

 •06-* 



•06-* 



8-9 



9-2 



9-031 

 8-96J 



Weighted Mean 



3-88 volts 



8-92 volts 



* Least square reduction of 5 points, 

 t Least square reduction of 4 points. 



X Not used in average because this point was involved in obtaining the value 

 immediately above. 



Fig-. 2. — Cadmium. Total and Partial Current Curve. 



38 







% 































< 



















3H 



•c 



.0 



-$,30 

 ^ • 



Q 



"K « 



2? 

















d 























\ A 



i\ 



1 \ 





a, 



C. 





















H J\ 

















pjt 





















8 j 



^C 



























If 























a 

























' 



1, 

























4- 6 6 io iz 14- /6 



Accelerating Thtenfia J (Volts) 



