Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 2, Problem 5TYU
Test Your Understanding
Know and Comprehend
5. The orbitals composing an atom’s valence electron shell (a) are arranged as concentric spheres (b) contain the atom’s least energetic electrons (c) may change shape when covalent bonds are formed (d) never contain more than one electron each (e) more than one of the preceding is correct
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4. Explain who discovered organic compounds and why carbohydrates, lipids, proteins, and nucleic acids, are the basis for the molecules of life.
2. Identify and encircle the functional groups in the structure of molecule
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1-An important result of Rutherford’s work was to establish that... *
A-atoms have mass.
B-Non of these
C-electrons have a negative charge.
D-gold is an element.
F-the atom is mostly empty space
Chapter 2 Solutions
Biology (MindTap Course List)
Ch. 2.1 - Prob. 1LOCh. 2.1 - Compare the physical properties (mass and charge)...Ch. 2.1 - Prob. 3LOCh. 2.1 - Prob. 1CCh. 2.1 - What is a radioisotope? What are some ways...Ch. 2.1 - Prob. 3CCh. 2.2 - Prob. 4LOCh. 2.2 - Prob. 5LOCh. 2.2 - Prob. 6LOCh. 2.2 - What enables a radioisotope to substitute for an...
Ch. 2.2 - Which kind of chemical formula provides the most...Ch. 2.2 - Prob. 3CCh. 2.3 - Distinguish among covalent bonds, ionic bonds,...Ch. 2.3 - Prob. 1CCh. 2.3 - Prob. 2CCh. 2.3 - Prob. 3CCh. 2.3 - Prob. 4CCh. 2.4 - Prob. 8LOCh. 2.4 - In what form is energy transferred in a redox...Ch. 2.5 - Explain how hydrogen bonds between adjacent water...Ch. 2.5 - Prob. 1CCh. 2.5 - What are some properties of water that result from...Ch. 2.5 - How can weak forces, such as hydrogen bonds, have...Ch. 2.6 - Contrast acids and bases, and discuss their...Ch. 2.6 - Convert the hydrogen ion concentration (moles per...Ch. 2.6 - Describe the composition of a salt and explain the...Ch. 2.6 - Prob. 1CCh. 2.6 - Prob. 2CCh. 2.6 - Prob. 3CCh. 2.6 - Prob. 4CCh. 2 - Test Your Understanding Know and Comprehend 1....Ch. 2 - Prob. 2TYUCh. 2 - Prob. 3TYUCh. 2 - Test Your Understanding Know and Comprehend 4. 11H...Ch. 2 - Test Your Understanding Know and Comprehend 5. The...Ch. 2 - Test Your Understanding Know and Comprehend 6....Ch. 2 - Test Your Understanding Know and Comprehend 7. In...Ch. 2 - Test Your Understanding Know and Comprehend 8....Ch. 2 - Prob. 9TYUCh. 2 - Prob. 10TYUCh. 2 - Test Your Understanding Know and Comprehend 11....Ch. 2 - Prob. 12TYUCh. 2 - Prob. 13TYUCh. 2 - Test Your Understanding Apply and Analyze 14....Ch. 2 - Prob. 15TYUCh. 2 - Prob. 16TYUCh. 2 - Test Your Understanding Evaluate and Synthesize...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Test Your Understanding Know and Comprehend 4. 11H and 13H have (a) different chemical properties because they have different atomic numbers (b) the same chemical properties because they have the same number of valence electrons (c) different chemical properties because they differ in their number of protons and electrons (d) the same chemical properties because they have the same atomic mass (e) the same chemical properties because they have the same number of protons, electrons, and neutronsarrow_forwardTest Your Understanding Know and Comprehend 1. Which of the following elements is mismatched with its properties or function? (a) carbonforms the backbone of organic compounds (b) nitrogencomponent of proteins (c) hydrogenvery electronegative (d) oxygencan participate in hydrogen bonding (e) all of the above are correctly matchedarrow_forwardTest Your Understanding Know and Comprehend 6. Which of the following bonds and properties are correctly matched? (a) ionic bonds; are strong only if the participating ions are hydrated (b) hydrogen bonds; are responsible for bonding oxygen and hydrogen to form a single water molecule (c) polar covalent bonds; can occur between two atoms of the same element (d) covalent bonds; may be single, double, or triple (e) hydrogen bonds; are stronger than covalent bondsarrow_forward
- Test Your Understanding Know and Comprehend 8. Water has a high specific heat because (a) hydrogen bonds must be broken to raise its temperature (b) hydrogen bonds must be formed to raise its temperature (c) it is a poor insulator (d) it has low density considering the size of the molecule (e) it can ionizearrow_forwardTest Your Understanding Know and Comprehend 7. In a redox reaction, (a) energy is transferred from a reducing agent to an oxidizing agent (b) a reducing agent becomes oxidized as it accepts an electron (c) an oxidizing agent accepts a proton (d) a reducing agent donates a proton (e) the electrons in an atom move from its valence shell to a shell closer to its nucleusarrow_forwardTest Your Understanding Apply and Analyze 14. Consider the following reaction (in water): HCl H+ + Cl Name the reactant(s) and product(s). Does the expression indicate that the reaction is reversible? Could HCl be used as a buffer?arrow_forward
- The chemical activity of an atom: a. depends on the electrons in the outermost energy level. b. is increased when the outermost energy level is filled withelectrons. c. depends on its 1s but not its 2s or 2p orbitals. d. is increased when valence electrons completely fill the outerorbitals. e. of oxygen prevents it from sharing its electrons with otheratoms.arrow_forwardEVOLUTION CONNECTION The percentages of naturallyoccurring elements making up the human body (see Table 2.1)are similar to the percentages of these elements found in otherorganisms. How could you account for this similarity amongorganisms?arrow_forwardTest Your Understanding Know and Comprehend 11. Which of the following cannot function as a buffer? (a) phosphoric acid, a weak acid (b) sodium hydroxide, a strong base (c) sodium chloride, a salt that ionizes completely (d) a and c (e) b and carrow_forward
- Oxygen (O) is a(n) _______; the oxygen we breathe (O2) is a(n) _______; and the carbon dioxide we exhale is a(n) _______. a. compound; molecule; element b. atom; compound; element c. element; atom; molecule d. atom; element; molecule e. element; molecule; compoundarrow_forward2. Research evidence showed that microbial species and bacteria could be found in bottled water. In detail, explain the how and why and dangers. 3. Why did it take 380,000 years for the universe to cool enough to slow down the electrons so that the nuclei could capture them to form the first atoms? 4. Explain who discovered organic compounds and why carbohydrates, lipids, proteins, and nucleic acids, are the basis for the molecules of life.arrow_forwardWhat atom has only one proton? a. hydrogen b. an isotope c. helium d. a free radical e. a radioisotope f. oxygenarrow_forward
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