1. Chapter 11 Chemistry of Earth: Metals and Minerals James A. Noblet California State University San Bernardino, CA  2007 Prentice Hall Chemistry for Changing Times, 11 th edition John W. Hill and Doris K. Kolb

2. The most abundant element in the Earth’s crust is_____. 1.Iron 2.Aluminum 3.Silicon 4.Calcium 5.Oxygen

3. The most abundant element in the Earth’s crust is_____. 1.Iron 2.Aluminum 3.Silicon 4.Calcium 5.Oxygen

4. The most abundant metal in the Earth’s crust is_____. 1.Iron 2.Aluminum 3.Silicon 4.Calcium 5.Oxygen

5. The most abundant metal in the Earth’s crust is_____. 1.Iron 2.Aluminum 3.Silicon 4.Calcium 5.Oxygen

6. Many common minerals are based on the tetrahedral SiO 4 unit. These are generally known as______. 1.Carbonates 2.Silicones 3.Silicates 4.Oxides 5.Silanes

7. Many common minerals are based on the tetrahedral SiO 4 unit. These are generally known as______. 1.Carbonates 2.Silicones 3.Silicates 4.Oxides 5.Silanes

8. A mixture of two or more elements, at least one of which is a metal, is called a(n) ________. 1.Allotrope 2.Alloy 3.Homogenate 4.Emulsion 5.Composite Fe + C → ? Cu + Sn → ? Cu + Zn → ? Pb + Sn → ? Au + Ag → ?

9. A mixture of two or more elements, at least one of which is a metal, is called a(n) ________. 1.Allotrope 2.Alloy 3.Homogenate 4.Emulsion 5.Composite Fe + C → Steel Cu + Sn → Bronze Cu + Zn → Brass Pb + Sn → Pewter, solder Au + Ag → White gold

10. Containment ponds holding cyanide solutions are a waste product of the mining for which metal? 1.Iron 2.Lead 3.Copper 4.Silver 5.Gold

11. Containment ponds holding cyanide solutions are a waste product of the mining for which metal? 1.Iron 2.Lead 3.Copper 4.Silver 5.Gold