1. Classify each of the following mercury sample as an element, a compound, a homogeneous mixture or a heterogeneous mixture. (2 point) (a) Mercury liquid (b) Mercury oxide (c) Cinnabar ore (d) Amalgam alloy 2. Which of the following properties is not a characteristic of a metal? (2 points) (a) Good conductor of heat (b) Malleable (c) High melting point (d) Reacts with other metals 3. Which of the following properties is not characteristic of a nonmetal? (2 points) (a) Insulator (b) Ductile (c) Low density (d) Reacts with nonmetal. 4. Which of the following substances are not elements? How can you tell? (2 points) a. Copper b. bronze c.gold d. silver e. steel f. uranium 6 tin h. tungsten 5. Which element has the fewest number of protons? What is the atomic number and element symbol? (2 points)