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test bank inquiry-into-life-15th-mader

test bank inquiry-into-life-15th-mader test bank inquiry-into-life-15th-mader Chapter 02 The Molecules of Cells Multiple Choice Questions 1. The two isotopes shown below differ in the number of A. electrons. B. protons. C. neutrons. D. carbon atoms. E. ionic bonds. Carbon 12 and carbon 14 are different isotopes of the element carbon; this means they have the same number of protons and electrons, but they differ in the number of neutrons. The number of bonds an isotope can form is not determined by its neutrons. Bloom's Level: 1. Remember Learning Outcome: 02.01.03 Describe how variations in an atomic nucleus account for its physical properties. Section: 02.01 Topic: Atomic Structure NURSINGTB.COM INQUIRY INTO LIFE 15TH EDITION MADER TEST BANKNURSINGTB.COM Chapter 02 - The Molecules of Cells 2-2 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. 2. If an element has an atomic number of 12, how many electrons are in its outermost shell? A. 1 B. 10 C. 8 D. 2 E. 12 Two electrons fill the innermost shell and eight fill the next, leaving two for the outermost shell. Bloom's Level: 3. Apply Learning Outcome: 02.01.01 Describe how protons, neutrons, and electrons relate to atomic structure. Section: 02.01 Topic: Atomic Structure 3. If an element has an atomic number of 15, then A. the atomic mass must also be 15. B. the atom has 15 electrons. C. there are 7 electrons in the outermost shell. D. the atom has 15 neutrons. E. the atom must have only one orbital. In an electrically neutral atom, the number of protons (the atomic number) is the same as the number of electrons. The atom would need three orbitals to accommodate 15 electrons, and there would be 5 electrons in its outermost shell. The atomic mass includes the protons and the neutrons; the number of neutrons is not specified in this question. Bloom's Level: 3. Apply Learning Outcome: 02.01.02 Understand how to interpret the periodic table of elements. Section: 02.01 Topic: Atomic Structure NURSINGTB.COM INQUIRY INTO LIFE 15TH EDITION MADER TEST BANKNURSINGTB.COM Chapter 02 - The Molecules of Cells 2-3 Copyright © 2017 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. 4. The chemical reactivity of an element is dependent on A. the number of protons. B. the arrangement of neutrons. C. the number of electrons in the outermost shell. D. the number of protons and neutrons. E. the number of electrons in the inner shell. It is the outermost shell of an atom that can potentially react with electrons in the outermost shells of other atoms. The protons and neutrons remain in the nucleus and do not engage in chemical reactions.

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