CHEM 1180 Spring 2010 Quiz #1A 22 JAN 10 Name_____KEY__________________ Please maintain your academic integrity. Write your name on the back of the quiz. NO CALCULATORS! 1. Which of the following states of matter are compressible, gas, liquid, solid? Gasesare compressible. 2. How many protons does tin-120 have? Tin has an atomic number of 50; therefore, tin has 50 protons. 3. If 5 miveros is equivalent to 12 wirtlings, how many wirtlings would be equivalent to 60 miveros? ⋅=12wirtlings60miveros144wirtlings5miveros4. Which of the following words properly describes a sample of silicon: homogeneous, heterogeneous, pure substance, solution, element, compound? Silicon is homogeneous, a pure substanceand an element.
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