Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
14th Edition
ISBN: 9781305775480
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Question
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.
a.
Ionic bond
b.
polar covalent bond
c.
nonpolar covalent bond
_____________contribute hydrogen ions (H+) to a solution.a. Basesb. Isotopesc. Acidsd. Compounds
This 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 bonding
Chapter 2 Solutions
Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
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_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_forwardA cation has a(n) ________ charge.a. neutralb. positivec. alternatingd. negativearrow_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
- The type of bonding that happens between atoms within a water molecule is which of the following? a. Polar covalent bonding b.ionic bonding c. Non polar covalent bonding d. Hydrogen bondingarrow_forwardChoose the best answer for following question. Hydrogen bonds are formed as a result of which of the following?a. ionic bondsb. nonpolar covalent bondsc. polar covalent bondsd. None of these are correct.arrow_forwardWhich parts of an element do not vary in number?a. electronsb. neutronsc. protonsd. All of these vary.arrow_forward
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