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Chemistry for Changing Times, 11th edition John W. Hill and Doris K. Kolb Chapter 11 Chemistry of Earth: Metals and Minerals James A. Noblet California State University San Bernardino, CA 2007 Prentice Hall The most abundant element in the Earth’s crust is_____. 1. 2. 3. 4. 5. Iron Aluminum Silicon Calcium Oxygen The most abundant element in the Earth’s crust is_____. 1. 2. 3. 4. 5. Iron Aluminum Silicon Calcium Oxygen The most abundant metal in the Earth’s crust is_____. 1. 2. 3. 4. 5. Iron Aluminum Silicon Calcium Oxygen The most abundant metal in the Earth’s crust is_____. 1. 2. 3. 4. 5. Iron Aluminum Silicon Calcium Oxygen Many common minerals are based on the tetrahedral SiO4 unit. These are generally known as______. 1. 2. 3. 4. 5. Carbonates Silicones Silicates Oxides Silanes Many common minerals are based on the tetrahedral SiO4 unit. These are generally known as______. 1. 2. 3. 4. 5. Carbonates Silicones Silicates Oxides Silanes A mixture of two or more elements, at least one of which is a metal, is called a(n) ________ . Fe + C → ? Cu + Sn → ? Cu + Zn → ? Pb + Sn → ? Au + Ag → ? 1. Allotrope 2. Alloy 3. Homogenate 4. Emulsion 5. Composite A mixture of two or more elements, at least one of which is a metal, is called a(n) ________ . Fe + C → Steel Cu + Sn → Bronze Cu + Zn → Brass Pb + Sn → Pewter, solder Au + Ag → White gold 1. Allotrope 2. Alloy 3. Homogenate 4. Emulsion 5. Composite Containment ponds holding cyanide solutions are a waste product of the mining for which metal? 1. 2. 3. 4. 5. Iron Lead Copper Silver Gold Containment ponds holding cyanide solutions are a waste product of the mining for which metal? 1. 2. 3. 4. 5. Iron Lead Copper Silver Gold