EBK BIOLOGY
11th Edition
ISBN: 8220101459800
Author: 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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If an atom has an atomic number of 6 and an atomic mass of 14, that means it must have _____ protons.
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Chapter 2 Solutions
EBK BIOLOGY
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_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_forwardMonomers are joined together to form larger polymers through __________. Such a reaction releases a molecule of __________.arrow_forward
- If 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_forwardIn a base, the hydrogen ion concentration is ____ than the hydroxide ion concentration.arrow_forward
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