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