Enter your Name:   Enter your E-mail Address:  01. Write out the definitions for the following terms: a. Atom b. Molecule c. Concentration 02. Sulfur is a yellow powder that is composed of sulfer atoms. Sulfur dioxide is a colorless, poisonous gas that contains sulfur atoms. Is sulfur dioxide composed of atoms or molecules? 03. While looking at historical grave markers, you find a statuette that is blue-green in color. In order to read the inscription, you scrub the surface of the statuette, and the blue-green color comes off as a fine powder. What color is the statue underneath? 04. Which picture represents a bunch of atoms? Which represents a bunch of molecules?                         05. You are reading a scientist's notes and you notice a measurement that is listed as "12.3 kilograms." Does this measurement represent length, mass, or volume? 06. What metric prefix means "1,000"? 07. How many centimeters are in 1.6 meters? 08. An object's volume is 0.12kL. What is its volume in liters? 09. A rock has a mass of 45.1kg. What is its mass in slugs? (1 slug = 14.59 kg) 10. Ammonia is the active ingredient in many household cleaners. Suppose I were to make up two buckets of cleaner. In the first, I will take 5 cups of ammonia and add to that 45 cups of water. In the second, I will take 5 cups of ammonia and add 30 cups of water. Which bucket contains the most powerful cleaner?