Am.  Jour.  Pharm. )  Rp<7np<79)<;  t  £  T 
March,  1901.      /  I^evieiVS.  I5I 
the  point.  The  author  treats  well  of  such  important  subjects  as 
the  atomic  theory;  chemical  polarity ;  the  relative  intensity  of  the 
chemical  energy  of  different  elements ;  atomic  valence ;  chemical 
notation  and  nomenclature ;  the  laws  and  conditions  which  domi- 
nate the  course  of  chemical  reactions ;  oxidation  and  reduction  ; 
the  periodicity  of 'the  properties  of  the  elements;  the  intimate 
relations  of  all  these  to  each  other  and  to  atomic  mass ;  and  their 
bearings  upon  the  practical  problems  of  chemical  work.  There  are 
also  included  adequate  instruction,  rules  and  examples,  designed  to 
enable  the  student  to  fully  master  the  all-important  practical  uses 
of  chemical  equations  and  mathematics,  seven  chapters  being  de- 
moted to  these  subjects. 
Volume  I  is  divided  into  three  parts  and  includes  chapters  on  the 
following  subjects:  Part  I.  Elementary  Theoretical  Chemistry:  (i) 
Introductory,  Some  Common  Kinds  of  Matter;  (2)  Atoms,  Mole- 
cules and  Chemism  ;  (3)  Preliminary  Experiments  Showing  Physical 
Signs  of  Chemical  Action ;  (4)  The  Chemical  Elements ;  (5)  The 
Law  of  Definite  Combining  Proportions  and  the  Atomic  Theory  ; 
(6)  Chemical  Polarity ;  (7)  The  Relative  Intensity  of  the  Chemical 
Energy  of  the  Elements ;  (8)  Atomic  Valence  ;  (9)  Atomic  Polarity- 
Value ;  (10)  Chemical  Notation;  (n)  Chemical  Nomenclature;  (12) 
Classification  of  Chemical  Compounds — Binary  Compounds;  (13) 
Hydroxides,  Acids  and  Bases;  (14)  Salts;  (15)  The  Relations  of 
Oxides,  Acids,  Bases  and  Salts  to  Each  Other;  (16)  Structure  of  the 
Metallic  Oxygen-Salts  of  the  Common  Acids;  (17)  Chemical  Re- 
actions; (18)  Oxidation  and  Reduction;  (19)  The  Forces  and 
Conditions  which  Dominate  the  Course  of  Chemical  Reactions  ;  (20) 
How  to  Write  and  Balance  Ordinary  Chemical  Equations;  (21) 
How  to  Balance  Equations  Representing  Reactions  of  Oxidation 
and  Reduction;  (22,  23,  24)  Examples  in  Oxidation  and  Reduction; 
(25)  Atomic  Polarity- Value  as  an  Aid  to  the  Verification  of  the 
Structure  of  Molecules ;  (26)  The  Periodicity  of  Properties  of  the 
Elements  ;  (27)  A  Recapitulation  of  Fundamental  Facts,  Definitions 
and  Hypotheses. 
Part  IT.  Elementary  Descriptive  Chemistry :  (28)  Order  of 
Study  of  the  Elements  and  their  Compounds ;  (29-67)  The  Ele- 
ments and  their  Compounds,  including  the  Ammonium  Compounds 
and  Metallic  Salts  of  the  Organic  Acids.  Part  III.  (68,  69) 
Stoechiometry. 
