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Test bank Human Body in Health and Illness 6th Edition Herlihy

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test bank Human Body in Health and Illness 6th Edition Herlihy Chapter 02: Basic Chemistry Herlihy: The Human Body in Health and Illness, 6th Edition MULTIPLE CHOICE 1. Which of the following are loca... ted in the orbits surrounding the nucleus? a. Isotopes b. Protons c. Electrons d. Neutrons ANS: C 2. Which of the following is a measurement of hydrogen ion concentration [H+ ]? a. Atomic number b. Atomic mass c. Isotope d. pH ANS: D 3. The sharing of electrons is referred to as a. covalent bonding. b. ionic bonding. c. radioactive decay. d. isotope formation. ANS: A 4. Which element must be present for a substance to be classified as organic? a. Iodine b. Iron c. Carbon d. Calcium ANS: C 5. A cation is a(n) a. positively charged ion. b. electrolyte. c. isotope. d. ion that has an atomic mass of 2. ANS: A 6. Which of the following is an anion? a. Sodium ion b. Potassium ion c. Chloride ion d. Calcium ion ANS: C NURSINGTB.COM Human Body in Health and Illness 6th Edition Herlihy Test Bank NU RS IN GT B.CO M 7. What kind of ion would have 8 protons in its nucleus and 9 electrons in its orbits? a. Cation b. Electrolyte c. Acid d. Anion ANS: D 8. Which of the following is true of an anion? a. An anion always ionizes to form electrolytes. b. An anion always has an atomic mass of 15. c. An anion carries a negative charge. d. A hydrogen ion is an anion. ANS: C 9. NaCl, table salt, is called a(n) a. anion. b. electrolyte. c. cation. d. ion. ANS: B 10. Which process refers to the dissociation of NaCl into Na+ and Cl– ? a. Radioactivity b. Ionization c. Covalent bonding d. Hydrogen bonding ANS: B 11. Which of the following is descriptive of the chemical reaction in the previous question? a. Cation + anion → electrolyte b. Electrolyte → cation + anion c. Electrolyte + anion → cation d. Neutralization of an acid by a base ANS: B 12. Which of the following is an anion? a. NaCl b. KCl c. H2SO4 d. HCO3 – ANS: D [Show More]

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