Test Bank - Biological Science, 6th Edition (Freeman) Chapter 1-54 | All Chapters

TEST BANK FOR BIOLOGICAL SCIENCE 6TH EDITION SCOTT FREEMAN,LIZABETH ALLISON, MICHAEL BLACK, GREG PODGORSKI, EMILY TAYLOR, JEFF CARMICHAEL/ TEST BANK FOR BIOLOGICAL SCIENCE 6TH EDITION SCOTT FREEMAN,LIZABETH ALLISON, MICHAEL BLACK, GREG PODGORSKI, EMILY TAYLOR, JEFF CARMICHAEL Biological Science, 6e (Freeman/Quillin/Allison) Chapter 2 Water and Carbon: The Chemical Basis of Life 1) About twenty-five of the 92 natural elements are known to be essential to life. Which 4 of these 25 elements make up approximately 96 percent of living matter? A) carbon, sodium, hydrogen, nitrogen B) carbon, oxygen, phosphorus, hydrogen C) oxygen, hydrogen, calcium, nitrogen D) carbon, hydrogen, nitrogen, oxygen E) carbon, oxygen, nitrogen, calcium Answer: D Bloom's Taxonomy: Remembering/Understanding V&C Core Concept: EM V&C Core Comp: PS LO: 2.1 Section: 2.1 2) Why is each element unique with respect to its chemical properties? Each element has a distinctive ________. A) atomic mass B) number of electrons C) number of protons D) number of neutrons E) radioactive property Answer: C Bloom's Taxonomy: Remembering/Understanding V&C Core Concept: EM V&C Core Comp: PS LO: 2.1 Section: 2.1 3) Knowing the atomic mass of an element allows inferences about which of the following? A) the number of electrons in the element B) the number of protons in the element C) the number of neutrons in the element D) the number of protons plus neutrons in the element E) the number of protons plus electrons in the element Answer: D Bloom's Taxonomy: Applying/Analyzing V&C Core Concept: EM V&C Core Comp: PS LO: 2.1 Section: 2.1 4) Carbon-12 is the most common isotope of carbon and has a mass number of 12. However, the average atomic mass of carbon found on a periodic table is slightly more than 12 daltons. Why? A) The atomic mass does not include the mass of electrons. B) Some carbon atoms in nature have an extra proton. C) Some carbon atoms in nature have more neutrons. D) Some carbon atoms in nature have a different valence electron distribution. E) Some carbon atoms in nature have undergone radioactive decay. Answer: C Bloom's Taxonomy: Applying/Analyzing V&C Core Concept: EM V&C Core Comp: PS LO: 2.1 Section: 2.1 5) From its atomic number of 15, it is possible to predict that the phosphorus atom has ________. A) 5 neutrons, 5 protons, and 5 electrons B) 30 neutrons C) 15 neutrons and 15 protons D) 8 electrons in its outermost electron shell E) 15 protons and 15 electrons Answer: E Bloom's Taxonomy: Remembering/Understanding V&C Core Concept: EM V&C Core Comp: PS LO: 2.1 Section: 2.1 6) A covalent chemical bond is one in which ________. A) electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged B) protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms C) outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals D) outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom E) electrons from the same atom, but opposite spins, are paired Answer: C Bloom's Taxonomy: Remembering/Understanding V&C Core Concept: EM V&C Core Comp: PS LO: 2.1 Section: 2.1