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 15SQ
Summary Introduction
To match: The terms with their most suitable description.
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Match the terms with their most suitable description. ____ hydrophilic a. protons > electrons ____ atomic number b. number of protons in ____ hydrogen bonds nucleus ____ positive charge c. polar; dissolves easily in ____ negative charge water ____ temperature d. collectively strong ____ pH e. protons < electrons ____ covalent bond f. measure of molecular ____ hydrophobic motion g. water-dreading h. electron sharing i. reflects H+ concentration
A hydrogen bond can form between____________ adjacent to each other.a. two hydrogen atomsb. two oxygen atomsc. a hydrogen atom and an oxygen atomd. negative charges
When hydrogen is a part of a ________, it has a slight positive charge.
a.
Ionic bond
b.
polar covalent bond
c.
nonpolar covalent bond
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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- Atoms share electrons unequally in an _______ bond. a. ionic c. polar covalent b. hydrogen d. nonpolar covalentarrow_forwardOne of the most important properties of water is that it can form a _______ with other water molecules. This means that water molecules are able to “stick together” to a certain extent. The term for this property is cohesion. A. Ionic bond B. Covalent Bond C. Hydrogen Bondarrow_forwardMatch the concept in column A to the concept in column B. Write the letter of the correct answer on the blank provided. A В a. they dissolve in water but do not release ions 1.Aristotle 2.Robert Hooke b. react with water to produce ions. c. act as an enzymes. 3. Antonie van Leeuwenhoek d. parts of 2 different kinds of molecules trade 4.nonelectrolytes positions with one another e. organic substances that control cellular 5.monosaccharides activities in a very special way. f. responsible for about two-thirds of the weight of an adult human g. classified animals based on the presence of blood. h. molecular formula i. Initially discovered the cell. 6.proteins 7.isotopes 8.exchange reaction 9.nucleic acids j. galactose k. sucrose 10.water I. atoms with the same atomic number but different atomic weights.arrow_forward
- The mutual attraction of opposite charges holds atomstogether as molecules in a(n) ________ bond.a. ionic c. polar covalentb. hydrogen d. nonpolar covalentarrow_forwardBonds in which atoms share electrons are defined as _____________ bonds.a. hydrogenb. ionicc. doubled. covalentarrow_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_forward
- .4arrow_forwardLetter only, no need to explain. 1. These are molecules composed of hydrogen, carbon and oxygen, with no 2:1 ratio of hydrogen to oxygen. A. Lipids B. Carbohydrates C. Proteins D. Nucleic acids 2. The following statement are true about water EXCEPT: A.Water is a polar substance. B.Water will dissolve non-polar substances C.Water forms hydration shells around certain ions D.The capacity of water to dissolve many substances comes from its dipolar nature. 3. If a compound dissociates into H+ and a negative ion, it is a? A. acid B. base C. salt D. neutral compound 4. The following are components of a nucleotide EXCEPT: A. Pentose sugar B. Phosphate group C. hydroxyl group D. Nitrogen-containing base 5. The following can be dissolved in water EXCEPT: A. Salts B. Carbohydrates C. Lipids D. Hydrochloric acidarrow_forward1. The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. This attraction is called: a. a covalent bond b. a hydration shellhydrogen bond d. a hydrophobic bond e. an ionic bond 2. True or False. A hydrogen bond that is linear is more stable than one that is bent.arrow_forward
- A hydrophilic molecule dissolves in________________ .a. lipid but not waterb. water but not lipidc. neither lipid nor waterd. both lipid and waterarrow_forwardWater molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound to it. As a result, which type of bonding hold water molecules together a. non-popular covalent bonding b. polar covalent bonding c.ionic bonding d.hydriohocicarrow_forwardReactions in which water is used to break apart other molecules areknown as __________ reactions.a. hydrophilicb. hydrophobicc. dehydrationd. anabolice. hydrolysisarrow_forward
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