properties are used to identify substances

characteristic properties:

 

density: is the property of matter representing the mass per unit volume.

the density of  wood , plastic and steel are different.

 

 

 

 

 

  

  

  

  

  

  

  

 

 

 

specific  heat: is the amount of energy required to raise the temperature of one gram of a substance by one degree celsius.

 

 

 

 

 

 

 

 

 

 

 

 

solubility: is the measure of how much of a substance dissolves in a given volume of a liquid.