1. Match the following terms with their definition. Write the correct letter on the line. A. atoen B. mixture C. compound D. element E. liquid F. matter G. chemical property H. chemical change D a pure sabstance that cannot be broken down into a simpler stable substance in a chemical reaction B. a combination of two or more substances that can be separated by physical means 2. a characteristic of a substance involving the possible transformations that the substance can undergo A the smallest particle of an element that retains the characteristic properties of that element C a pure substance composed of two oe more elements combined in definite proportions 2. A How would you classify the contents of a balloon filled with hydrogen: a. a pure substance b. a compound Cia homogenous mixture d, a beterogeneons mixture 3. B. What does the following picture reprexent? A. a pare clement B. a mixture of elements C. a pure compound D. a mixture of compounds 4. C Which of the following would be described as a theory? a. Diphenhydramine pills are pink b. Taking diphenhydramine makes my allergies go away. c. Taking diphenhydramine makes my allergies go away because it interferes with histomine. 5. Give the name of the element represented by the symbol P: Phosphorus. 6. Give the symbol for the element carbon