II. COMPOSITION OF MATTER

Annotations:

• MASS AND VOLUME COMPOSITION TYPE OF MATTER

1. PURE SUBSTANCE

   Annotations:

   • HOMOGENEOUS CANNOT BE BROKEN DOWN BY PHYSICAL MEANS FIXED COMPOSITION AND DEFINITE PROPERTIES
   1. ELEMENT

      Annotations:

      • ONE TYPE OF ATOM CANNOT BE DECOMPOSED BY PHYSICAL OR CHEMICAL METHOD
   2. COMPOUND

      Annotations:

      • 2 OR MORE ELEMENTS COMBINED IN DEFINITE PROPORTIONS CAN BE SEPERATED BY CHEMICAL METHODS
2. MIXTURE

   Annotations:

   • CAN BE PHYSICALLY SEPERATED
   • COMBINATION OF 2 OR MORE SUBSTANCES IN VARIABLE PROPORTIONS EACH SUBSTANCE RETAIN ITS OWN CHEMICAL IDENTITY CAN BE SEPARATED INTO ITS COMPONENTS BY PHYSICAL METHIDS
   1. HOMOGENEOUS

      Annotations:

      • UNIFORM COMPOSITION
      • SOLUTIONS UNIFORM COMPOSITION AND PROPERTIES THROUGHOUT A GIVEN SAMPLE, BUT MAY VARY FROM ONE SAMPLE TO THE OTHER. (ALL DISSOLVED SOLUTIONS ARE THE ONLY PART OF THE HOMOGENEOUS MIXTURE)
   2. HETEROGENEOUS

      Annotations:

      • NON-UNIFORM PROPERTIES THROUGHOUT A SAMPLE COMPONENT RETAIN THEIR IDENTITY AND PHASE BOUNDARIES EXIST