Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 2, Problem 1FTB
An atom consists of an atomic nucleus composed of positively charged ______ and uncharged _____.
Orbiting around the nucleus are ____ that occupy discrete spaces called ______.
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Chapter 2 Solutions
Biology: Life on Earth (11th Edition)
Ch. 2 - 1. Which of the following is false?
a. An element...Ch. 2 - Prob. 2MCCh. 2 - Isotopes are defined as a. atoms of the same...Ch. 2 - Molecules a. always consist of different elements...Ch. 2 - 5. Covalent bonds
a. link water molecules in...Ch. 2 - 1. An atom consists of an atomic nucleus composed...Ch. 2 - Prob. 2FTBCh. 2 - Prob. 3FTBCh. 2 - An atom with an outermost electron shell that is...Ch. 2 - Water is described as _____ because each water...
Ch. 2 - Based on Table 2–1 how many neutrons are there in...Ch. 2 - 2. Distinguish between atoms and molecules and...Ch. 2 - 3. Compare and contrast covalent bonds and ionic...Ch. 2 - 4. Explain how polar covalent bonds allow hydrogen...Ch. 2 - Why can water absorb a great amount of heat with...Ch. 2 - 6. Describe how water dissolves a salt.
Ch. 2 - Define pH scale, acid, base, and buffer. How do...Ch. 2 - Prob. 1ACCh. 2 - Prob. 2ACCh. 2 - You can now buy “whiskey stones” made of granite,...
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- A nitrogen atom has 7 protons, and the most commonisotope of nitrogen has 7 neutrons. A radioactive isotopeof nitrogen has 8 neutrons. Write the atomic number andmass number of this radioactive nitrogen as a chemicalsymbol with a subscript and superscript.arrow_forwardIn a water molecule, hydrogens are partially _____; oxygens are partially _____.arrow_forwardAn -OH group is a(n) _______ group.arrow_forward
- A solution with pH 4 has __________ the H+ concentration of pH 8.arrow_forwardFree radicals are highly reactive molecules that often contain ________. They are reactive due to the presence of a single ________ that can cause a chain reaction of free radical formation. I need help finding the right words for the blanks. The second blank is a subatomic particle.arrow_forwardElement Atomic Number Mass Number Number of Protons Number of Neutrons Number of Electrons Carbon-12 12 6 Nitrogen-14 7 7 Chlorine-35 35 17 Oxygen-16 8 Carbon-14arrow_forward
- Monomers are joined together to form larger polymers through __________. Such a reaction releases a molecule of __________.arrow_forwardIf you took a sample of a particular element and found that one group had a specific number of neutrons, and another group had a different number of neutrons, those two groups are called ___ of each other. Isotopes Isomers anions cations What is the tube-like structure which allows direct access into the cytoplasm from the outside?arrow_forwardAn Element from Group 5A and Group 6A shared a Chemical Bond. This entails that ____________ . Select your answer. The compound formed is soluble in water The compound formed conducts electricity when dissolved in Chloroform The compound formed has very low Boiling point The compound formed has very High Solubility in Polar Solventsarrow_forward
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