Law of Conservation of Mass:

Mass is neither created nor destroyed during a chemical change. (Strictly speaking there is no measurable change.)

 

 

 

 

 

 

 

 

 

Law of Conservation of Energy:

Energy is neither created nor destroyed in chemical processes.

 

 

 

 

 

HSU periodic Table

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SI (Systéme International) units:

 

© R A Paselk

Last modified 1 September 2009