Chapter 02: Basic Chemistry. Herlihy: The Human Body in Health and Illness, 7th Edition. MULTIPLE CHOICE 1. Which of the following is located in the orbits surrounding the nucleus? a. Isotopes b. Protons c. Electrons d. Neutrons ANS: C PTS: 1 2. Which

Chapter 02: Basic Chemistry. Herlihy: The Human Body in Health and Illness, 7th Edition. MULTIPLE CHOICE 1. Which of the following is located in the orbits surrounding the nucleus? a. Isotopes b. Protons c. Electrons d. Neutrons ANS: C PTS: 1 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 PTS: 1 3. The sharing of electrons is referred to as: a. covalent bonding. b. ionic bonding. c. radioactive decay. d. isotope formation. ANS: A PTS: 1 4. Which element must be present for a substance to be classified as organic? a. Iodine b. Iron c. Carbon d. Calcium ANS: C PTS: 1 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 PTS: 1 6. Which of the following is an anion? a. Sodium ion b. Potassium ion c. Chloride ion d. Calcium ion ANS: C PTS: 1 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 PTS: 1