SCI-102 Exam 2 (Chapter 2 Quiz)

Which of the following are true of the properties of water? a. All these are true of water. b. Hydrogen bonds form between water molecules and are responsible for the high surface tension of water. c. Water can dissolve materials by breaking apart ionic bonds as polar water molecules attract individual ions away from each other. d. A water molecule is polar, and opposite ends of individual water molecules are attracted to anions and cations.

a. All these are true of water.

What are the main types of rocks in the Peninsular Ranges of Southern California and Mexico? a. granite and metamorphic rocks that formed at depth b. flat-lying sedimentary rocks c. volcanic rocks erupted from a large volcano d. unconsolidated sand and gravel

a. granite and metamorphic rocks that formed at depth

The elements carbon, oxygen, and silicon are examples of a. nonmetals. b. noble gases. c. transition metals. d. alkali earth metals.

a. nonmetals.

What type of cleavage is illustrated in this figure? a. three perpendicular directions b. three nonperpendicular directions c. two nonperpendicular directions d. two perpendicular directions e. one direction

a. three perpendicular directions

What type of bonds is present in calcite? a. metallic b. covalent and ionic c. covalent d. ionic

b. covalent and ionic

From the list provided below, choose those observations that accurately describe the mineral presented in this image. a. This mineral displays two directions of cleavage. b. This mineral flakes into thin sheets. c. This mineral effervesces with dilute HCl without being pulverized into a fine powder.

c. This mineral effervesces with dilute HCl without being pulverized into a fine powder.

Which of these gemstones is formed in very high pressure conditions? a. amethyst b. emerald c. diamond d. opal

c. diamond

Which of the following is a silicate mineral? a. gypsum b. hematite c. garnet d. pyrite e. calcite

c. garnet

Which mineral is commonly pinkish and has light-colored wavy lines? a. olivine b. pyroxene c. potassium feldspar d. amphibole e. quartz

c. potassium feldspar

What is the grade of an ore? a. its age b. its current desirability in the market c. the concentration of the commodity in the deposit d. the size of the deposit

c. the concentration of the commodity in the deposit

Which of the following is true about rocks and minerals? a. A rock can contain more than one mineral. b. A mineral is composed of chemical elements. c. A single rock can include more than one mineral. d. All these are true about rocks and minerals.

d. All these are true about rocks and minerals

How do silica tetrahedra bond in silicate minerals? a. in sheets b. with each other by sharing an oxygen c. in single or double chains with other elements, such as potassium d. All these are ways in which silica tetrahedra bond.

d. All these are ways in which silica tetrahedra bond.

What make it difficult to represent the model of an atom? a. Atoms are not hard spheres with well-defined edges. b. Electrons are too small to be shown to scale. c. Electrons are constantly in motion and do not truly follow orbital paths. d. All these make it difficult to represent an atom in a model. e. Atoms are much larger than their nuclei.

d. All these make it difficult to represent an atom in a model.

Which of the following is true about asbestos? a. There are several types of asbestos, but they represent the same mineral. b. Each type of asbestos has long, straight fibers. c. Different types of asbestos have the same health risks. d. Asbestos represents different minerals with different health risks.

d. Asbestos represents different minerals with different health risks.

Minerals have an ordered internal atomic arrangement. What does this mean? a. Atoms in a mineral must be in the shape of either a cube, a tetrahedron, or an octahedron. b. Atoms in a mineral must all be of the same type of element. c. Atoms in a mineral are arranged in a random fashion. d. Atoms in a mineral are arranged in an ordered geometric pattern.

d. Atoms in a mineral are arranged in an ordered geometric pattern.

What is the difference between a geological mineral and a mineral that you might take as a health supplement? a. The geological mineral is natural; the health mineral is synthetic. b. Nothing; they are the same. c. The geological mineral is inorganic; the health mineral is organic. d. The geological mineral most likely has multiple elements; the health mineral is a single element.

d. The geological mineral most likely has multiple elements; the health mineral is a single element.

What does the shape of these crystals indicate about the environment in which they formed? a. They grew during an explosive volcanic eruption. b. They formed from cold water that was moving rapidly through the rocks. c. They formed at great depth and under very high pressures. d. They formed into a space filled with water rather than solid rock.

d. They formed into a space filled with water rather than solid rock.

The gray, fine-grained material in between the crystals in this rock is a. texture b. sand c. matrix d. luster

d. luster

Which of the following minerals is used more for its chemical components than for its physical properties? a. clay minerals b. gypsum c. feldspar d. gold e. hematite

e. hematite

What mineral property is illustrated by this image? a. crystal form b. luster c. cleavage d. color

luster