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A chemical bond in which electrons are gained or lost is called a(n)   bond.  \na. ionic  \nb. covalent  \nc. hydrogen  \nd. electrical  \n3. An electron is a(n)  \na. negatively charged subatomic particle  \nb. molecule with a neutral charge  \nc. neutral atom of an element  \nd. uncharged subatomic particle  \n4. A subatomic particle possessing no electrical charge is called a(n)  \na. ion  \nb. neutron  \nc. atom  \nd. electron  \n5. All isotopes ofa particular element possess  \na. identical atomic weights  \nb. the same number of neutrons, but different numbers of electrons  \nc. the same number of protons, but different numbers of neutrons  \nd. identical atomic weights and numbers  \n6. An atom or a group of atoms possessing a positive or negative electrical charge is called a(n):  \na. molecule  \nb. compound  \nc. element  \nd. ion  \n7. 14Carbon has an atomic number of 6, but has 8 neutrons. How many electrons are present in each atom?  \na. 6  \nb. 8  \nc. 14  \nd. some have 6 and some have 8  \n8. Chlorine must gain one electron to fill its outer energy level completely. Potassium must lose one electron in order to possess a completely filled outer energy level. What type of bond would you expect to find in potassium chloride?  \na. covalent  \nb. ionic  \nc. hydrogen  \n[d. it](d. it) cannot be determined from the information given  \n9. Atomic number is determined by the number of   in each atom.  \na. protons only  \nb. protons and electrons  \nc. protons and neutrons  \nd. protons, neutrons, and electrons  \n10. Atoms of the element carbon have four electrons in the outermost shell. What is the maximum number of single covalent bonds that can form between one atom of carbon and other atoms?  \na. 1  \nb. 2  \nc. 3  \nd. 4  \nWater, Acids, Bases and pH  \n11. What determines the pH ofa solution?  \na. the number of ionic bonds available  \nb. the hydrogen ion concentration  \nc. the strength of the hydrogen bonds present  \nd. the number of water molecules available  \n12. Identify the mismatched pair:  \na. hydrophilic – polar molecules  \nb. hydrogen ion – proton  \nc. acid solution – pH more than 7  \nd. water – universal solvent  \n13. Which of the following qualities of water is largely responsible for the phenomenon known as capillary action?  \na. Water is relatively transparent.  \nb. Water expands slightly as it freezes.  \nc. Water is strongly cohesive.  \nd. Water has a high heat capacity.  \n14. Which of the following qualities of water is largely responsible for the ability of small insects to walk directly on the surface of water?  \na. Water is relatively transparent.  \nb. Water displays a measurable surface tension.  \nc. Water expands as it freezes.  \nd. Water demonstrates an observable phase transition.  \n15. Which arrow points to a hydrogen bond?  \n16. Which arrow points to a covalent bond?  \n17. Among solutions with the following pH values, the one that has the greatest concentration of protons is the one with a pH value of  \na. 3  \nb. 7  \nc. 10  \nd. 12  \n18. What is the pH of baking soda?  \na. 10  \nb. 9  \nc. 8  \nd. 7  \n19. Which of the following statements is true about a solution with a pH of 9, one with a pH of 2 and one with a pH of 7?  \na. The pH 2 solution has a higher hydrogen (H+) ion concentration than the pH 7 solution.  \nb. The pH 2 solution has a higher hydroxyl (OH- ) ion concentration than the pH 7 solution.  \nc. The pH 9 solution has a higher hydrogen (H+) ion concentration than the pH 2 solution.  \nd. The pH 9 solution has a hydrogen (H+) ion concentration that is seven times higher than that of the pH 2 solution.  \nOrganic Molecules  \n20. Organic chemistry is the chemistry of  \na. oxygen molecules  \nb. isotopes  \nc. carbon compounds  \nd. ionic bonds  \n21. Organic molecules contain particu","cbCaioOOAHTrhBaJ","https://ap.wps.com/l/cbCaioOOAHTrhBaJ","pdf",282666,"English","# General Chemical Principles\n## Water, Acids, Bases and pH\n## Organic Molecules\n## Cell Structure","[{\"question\":\"What does a chemical bond involving gain or loss of electrons describe?\",\"answer\":\"It is called an ionic bond.\"},{\"question\":\"How is pH determined for a solution?\",\"answer\":\"pH is determined by the hydrogen ion concentration.\"},{\"question\":\"Which organelle is the site of protein formation in the cell?\",\"answer\":\"Protein formation occurs at the ribosomes.\"}]","Anatomy and Physiology Placement Exam 2 Practice - with Answers at End! | PDF",1790773170,23]