Unit 1 Test Bank online

Unit 1 Test Bank - Chapter 1 Multiple Choice 1 Which of the following best defines a mineral and a rock a a rock has an orderly repetitive

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Chapter 1 Multiple Choice 1. Which of the following best defines a mineral and a rock? a. a rock has an orderly, repetitive, geometrical, internal arrangement of minerals; a mineral is a lithified or consolidated aggregate of rocks b. a mineral consists of its constituent atoms arranged in a geometrically repetitive structure; in a rock, the atoms are randomly bonded without any geometric pattern c. in a mineral the constituent atoms are bonded in a regular, repetitive, internal structure; a rock is a lithified or consolidated aggregate of different mineral grains d. a rock consists of atoms bonded in a regular, geometrically predictable arrangement; a mineral is a consolidated aggregate of different rock particles 2. Which of the following is not a fundamental particle found in atoms? a. neutron b. selectron c. electron d. protons 3. Atoms of the same element, zinc for example, have the same number of ____________. a. electrons in the nucleus b. protons in the nucleus c. neutrons in the outer nuclear shell d. electrons in the valence bond level 4. Atoms that have an electrical charge due to a gain or loss of electrons are called __________. a. isotopes b. ions c. isochrons d. periodic elements 5. Which of the following is correct for isotopes of the same element? a. the atoms have different numbers of protons and the same number of neutrons b. the atoms have the same number of electrons and different numbers of protons c. the atoms have different numbers of neutrons and the same number of protons d. the atoms have different numbers of electrons but the same number of neutrons 6. What mineral is the hardest known substance in nature? a. silicate b. native gold c. diamond d. muscovite 7. Which carbonate mineral reacts readily with cool, dilute hydrochloric acid to produce visible bubbles of carbon dioxide gas? a. calcite b. quartz c. gypsum d. plagioclase 8. Which common mineral is composed entirely of silicon and oxygen? a. calcite b. diamond 1
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d. quartz 9. Which of the following minerals is a silicate? a. hematite b. feldspar c. calcite d. halite 10. A cubic centimeter of quartz, olivine, and gold weigh 2.5, 3.0, and 19.8 grams respectively. This indicates that ___. a. gold has a higher density and specific gravity than quartz and olivine b. gold is 6 to 7 times harder than olivine and quartz c. gold and olivine are silicates, quartz is elemental silicon d. olivine and quartz powders are harder than metallic gold 11. Which one of the following mineral groups exhibits a sheet-like silicate structure? a. carbonates b. pyroxenes c. micas d. feldspars 12. The ion at the center of a silicon-oxygen tetrahedron is surrounded by ____________. a. 4 oxygen ions b. 6 oxygen ions c. 4 sodium ions d. 6 sodium ions 13. The resistance of a mineral to abrasion is known as __________. a. luster b. cleavage c. streak d. hardness 14. All silicate minerals contain which two elements?
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This note was uploaded on 05/26/2011 for the course GEO 4151 taught by Professor Staff during the Spring '08 term at FAU.

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Unit 1 Test Bank - Chapter 1 Multiple Choice 1 Which of the following best defines a mineral and a rock a a rock has an orderly repetitive

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