Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 2, Problem 5SQ
Summary Introduction
Introduction:
All ions are the atoms of a group of atoms in which the total number of protons is not equal to the total number of electrons. Cation is a positively charged ion, and anion is a negatively charged ion.
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When hydrogen is a part of a ________, it has a slight positive charge.
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Chapter 2 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 2 - What atom has only one proton? a. hydrogen b. an...Ch. 2 - A molecule into which a radioisotope has been...Ch. 2 - Prob. 3SQCh. 2 - Prob. 1DAACh. 2 - Mercury Emissions by Continent By weight, coal...Ch. 2 - Prob. 3DAACh. 2 - Prob. 4DAACh. 2 - Prob. 4SQCh. 2 - Prob. 5SQCh. 2 - The measure of an atoms ability to pull electrons...
Ch. 2 - The mutual attraction of opposite charges holds...Ch. 2 - Atoms share electrons unequally in a(n) ________...Ch. 2 - A(n) ________ substance repels water. a. acidic b....Ch. 2 - Prob. 10SQCh. 2 - Prob. 11SQCh. 2 - When dissolved in water, a(n) ________ donates H+;...Ch. 2 - A ________ can help keep the pH of a solution...Ch. 2 - Prob. 14SQCh. 2 - Prob. 15SQCh. 2 - Alchemists were medieval scholars and philosophers...Ch. 2 - Draw a shell model of a lithium atom (Li), which...Ch. 2 - Polonium is a rare element with 33 radioisotopes....Ch. 2 - Some undiluted acids are not as corrosive as when...
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- A salt does not release ______ in water. a. ions b. H+arrow_forwardThis occurs when the cations and anions are attracted to the positive and negative ends of water molecules: A. ionic bonding B. dissociation C. covalent bonding D. hydrogen bondingarrow_forwardWhich of the following levels in the shell model of an atom can hold up to two electrons? A. The second shell B. The first shell C. The third shellarrow_forward
- A cation has a(n) ________ charge.a. neutralb. positivec. alternatingd. negativearrow_forwardIn the periodic table, the elements are arrangedaccording to ________ .a. size c. mass numberb. charge d. atomic numberarrow_forwardAll ions have at least one ________ (select all that arecorrect).a. proton c. electronb. neutron d. all of the abovearrow_forward
- 44.All atoms of a given element have the same ________. Group of answer choices a.mass number b.number of nucleons c.atomic mass d.number of neutrons e.atomic numberarrow_forwardIsotopes differ from each other only in the number of electrons they contain. Select one: a. True b. Falsearrow_forwardHydrogen bonds are a type of _____________ bond or interaction. a. ionic b. dipole–dipole c. dipole-induced dipole d. London dispersionarrow_forward
- What is a proton? A. A negatively charged particle B. A positively charged particle C. An element on the periodic table D. Any particle found in the nucleusarrow_forwardA hydrogen bond can form between____________ adjacent to each other.a. two hydrogen atomsb. two oxygen atomsc. a hydrogen atom and an oxygen atomd. negative chargesarrow_forwardOn the pH scale, a substance with a pH of 2 would be considered to be _____. Select one: a. an acid b. neutral c. a base d. slightly acidicarrow_forward
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