Topic 2: Chemistry for Anatomy and Physiology Students

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Topic 2: Chemistry for Anatomy and Physiology Students • BIO201_MH_V3 • Topic 2: Chemistry for Anatomy and Physiology Students Started on Thursday, April 13, 2023, 9:04 PM State Finished Comp ... leted on Thursday, April 13, 2023, 9:27 PM Time taken 23 mins 4 secs Grade 35.00 out of 35.00 (100%) Question 1 Correct 1.75 points out of 1.75 Flag question Question text A neutral atom contains Select one: a. more protons than electrons. b. more electrons than protons. c. the same number of electrons and protons. d. only neutrons. e. None of these choices is correct. Question 2 Correct 1.75 points out of 1.75 Flag question Question text Intermolecular forces Select one: a. form dissociated ions. b. are electrostatic attractions between different molecules. c. evenly distribute electrical charge among all atoms in a sample. d. separate atoms and ions from one another. e. are found within molecules. Question 3 Correct 1.75 points out of 1.75 Flag question Question text The number of atoms in exactly 12 grams of carbon-12 is called Select one: a. Dalton's number. b. Socrates's number. c. Avogadro's number. d. Pasteur's number. e. Le Chatelier's number. Question 4 Correct 1.75 points out of 1.75 Flag question Question text Electrolytes are substances that Select one: a. form covalent bonds with water. b. conduct electricity when dissolved in water. c. cannot conduct electricity in solution. d. are NOT found in the human body in any appreciable amounts. e. are NOT charged particles. Question 5 Correct 1.75 points out of 1.75 Flag question Question text Subatomic particles located around the nucleus of an atom are Select one: a. protons. b. electrons. c. neutrons. d. neutrinos. e. photons. Question 6 Correct 1.75 points out of 1.75 Flag question Question text The smallest particle of an element that still exhibits the chemical characteristics of that element is a(n) Select one: a. electron. b. atom. c. chemical bond. d. orbital. e. proton. Question 7 Correct 1.75 points out of 1.75 Flag question Question text Electrons Select one: a. comprise the majority of the mass of an atom. b. are located in the nucleus of an atom. c. have a positive charge of one. d. are the subatomic particles most involved in bonding behavior of atoms. e. do not participate in the bonding of atoms. Question 8 Correct 1.75 points out of 1.75 Flag question Question text The four most abundant elements in the human body are Select one: a. carbon, hydrogen, oxygen, and iron. b. carbon, hydrogen, oxygen, and nitrogen. c. calcium, hydrogen, sodium, and potassium. d. carbon, oxygen, magnesium, and zinc. e. carbon, sulfur, calcium, and potassium. Question 9 Correct 1.75 points out of 1.75 Flag question Question text When ionic compounds dissolve in water, their ions Select one: a. cling tightly together. b. dissociate or separate from one another. c. lose their charge. d. get lost in the solvent. e. settle to the bottom of the container. Question 10 Correct 1.75 points out of 1.75 Flag question Question text Which of the following pairs is mismatched? Select one: a. synthesis reaction - two reactants combine to form a larger product b. decomposition reaction - large reactant broken into smaller products c. oxidation - gain of electrons d. dehydration reaction - water is a product of the reaction e. hydrolysis - water is used in decomposition reaction Question 11 Correct 1.75 points out of 1.75 [Show More]

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