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GLOSSARY 



Names of Some Common Chemical Elements and Their Symbols 



Calcium Ca. 



Carbon C. 



Chlorine Cl. 



Copper Cu. 



Hydrogen H. 



Iodine I. 



Iron Fe. 



Mercury Hg. 



Nitrogen N. 



Oxygen , O. 



Phosphorus P. 



Potassium K. 



Sodium Na. 



Sulphur S. 



Zinc . .Zn. 



