classification of matter

Question 1

homogeneous

Answer 1

solution composed of 2 or more substances

Question 2

heterogeneous

Answer 2

colloid and suspension

Question 3

colloid

Answer 3

particles don’t settle (gas, liquid, solid)
1 to 100 nanometers

Question 4

suspension

Answer 4

solid particles large enough for sedimentation
bigger than 100 nanometers

Question 5

pure substance

Answer 5

• can be divided or separated by physical or chemical methods
• substances composed by the same type of matter or particle
• its composition is fixed and defined

Question 6

compounds

Answer 6

• can be chemically separated
• pure substances of 2 or more different elements in defined portions
  -are presented by a formula to show which element are combined