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Potential Final Exam Questions Earth Chemistry 1. The atomic number of (Xenon is 54) and the atomic number of (Silver is 47). Which of these atoms has more electrons? Explain. 2. Suppose an electrically neutral element has an atomic number of (23) and a mass number of (48). Calculate the number of protons, neutrons, and electrons. 3. Please fill in the following table: Electrical Charge Located in the nucleus(yes or no) Mass (a.m.u.) Proton Neutron Electron 4. A helium atom has two electrons in its first and only energy level (electron shell). Would you predict that helium easily forms compounds with other elements? Why or why not? 5. What type of chemical bond, if any, forms between the following types of elements: Metals & Nonmetals, Metals & Metals, and Nonmetals & Nonmetals? 6. Name the families of the Periodic Table and give the name of an element in each family. Mineral and Rock 7. Name three reasons why color is not a reliable clue to the identity of a mineral. What simple whether a mineral is gold or pyrite? Explain. test can be used to determine 8. Name the six types of nonsilicate minerals and identify the elements that define each type. 9. Explain how a metamorphic rock can change into the other two types of rock through the rock cycle. 10. Explain the difference between an intrusive and extrusive rock. How can you identify each? 11. Name and explain the cause of the two types of metamorphism. 12. Name and describe the two types of igneous, three types of sedimentary, and two types of metamorphic rocks. Fossils and Geologic Time 13. Explain how three types of mechanical weathering can break down rock material. 14. Explain how three types of chemical weathering can break down rock material. 15. How is erosion different than weathering? Explain the relationship between the two processes. 16. Provide two reasons why seashells are more often preserved than other organisms. 17. Explain three different ways that an entire organism can be preserved. 18. Name the Eras of the Geologic Time Scale and the major life forms for each era. Last (Water/Atmosphere/Environment) Unit – potential… 19. Explain two reasons why the groundwater of Door County is susceptible to contamination. 20. Explain the difference between a renewable and a nonrenewable resource and give an example of each. 21. Explain two reasons why the use of alternative energy sources is better than fossil fuel use 22. Draw a diagram and explain how water moves throughout the water cycle. 23. Explain how pressure / temperature systems in the earth’s atmosphere cause surface winds. 24. List the three most abundant gases in the modern atmosphere and their percentages. How does the modern atmosphere differ from the primitive atmosphere? Chapter 8 alloy anion atom molecule atomic number chemical property cation element compound mass number physical property covalent bond ionic bond electron neutron proton electron cloud nucleus gas liquid solid ion isotope matter Chapter 9 | | | | | | | | | | cleavage hardness inorganic luster mineral mineralogist nonsilicate mineral silicate mineral pyrite quartz rock-forming mineral streak Chapter 10 batholith cementation compaction contact metamorphism regional metamorphism limestone obsidian extrusive igneous rock intrusive igneous rock felsic mafic foliated igneous rock metamorphic rock sedimentary rock metamorphism organic sedimentary rock chemical sedimentary rock clastic sedimentary rock sediment stratification Chapter 11 Chapter 12 nonrenewable resource | mechanical weathering ore placer deposit vein | abrasion fossil fuel | exfoliation anthracite bituminous coal lignite | ice wedging crude oil | organic activity peat | chemical weathering renewable resource | acid precipitation hydroelectric energy | carbonation solar collector | hydrolysis geothermal energy | oxidation nuclear fission nuclear fusion | plant acids petrochemical hydrocarbon | erosion Chapter 17/18 absolute age relative age amber freezing mummification tar beds anthropology paleontology bedding plane coprolite gastroliths evolution theory of evolution geologic column half-life invertebrate vertebrate index fossil law of crosscutting law of superposition principle of uniformitarianism relationships petrification trace fossil unconformity angular unconformity disconformity nonconformity