CLASSIFICATION OF THE ELEMEN'I 

 (GENETIC METHOD.) 



[Phil. Mai/. To face p. 156. 



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■61 



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M 

































Li 









Be 













Bo 











C 



































N 



























| 





° 









P 















Na 







Mg 





















Al 















« 

















































: | 





P 



3 











01 















K 







Co 



















































So 



























i 















Ti 





V 





Or 















Mn 







Ee 























m 





















Co 





























i 











Cu 





Zn 























Gn 



















































































A, 











Se 



Br 

























Eb 



















* 





























Tt 

















b 















i 





— 













Nb 





Mo 







































































Eb 









Eu 





























Pd 





Ag 













Cd 









In 



M 































Sn 























— 



— 



— 





































.SI, 



















I 







To 

































Cs 































































Ba 



L» 







Oe 







Di 

















































































Sm 













































































































































Er 





















Yb 







































































































To 





W 

















































It 











































H 

















— 



A " 











Hg 















Tl 





— 















Pb 













Bi 











































j 











































Ng 





































































III 









I 













Th 



















































































l I I I 







! 



— 1 — 



'r 



