Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 2, Problem 4U
The isotopes carbon-12 and carbon-14 differ in
a. the number of neutrons.
b. the number of protons.
c. the number of electrons.
d. Both b and c are correct.
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Isotopes differ in theira. number of protons.b. atomic number.c. number of neutrons.d. number of electrons.
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The atomic number gives thea. number of neutrons in the nucleus.b. number of protons in the nucleus.c. weight of the atom.d. number of protons in the valence shell.
Chapter 2 Solutions
Biology
Ch. 2 - The property that distinguishes an atom of one...Ch. 2 - If an atom has one valence electronthat is. a...Ch. 2 - An atom with a net positive charge must have more...Ch. 2 - The isotopes carbon-12 and carbon-14 differ in a....Ch. 2 - Which of the following is NOT a property of the...Ch. 2 - Ionic bonds arise from a. shared valence...Ch. 2 - A solution with a high concentration of hydrogen...Ch. 2 - Using the periodic table on page 22, which of the...Ch. 2 - Refer to the element pictured. How many covalent...Ch. 2 - Prob. 3A
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- For 42He*2 The atomic number is f and there are are protons. The mass number is and there are nucleons. There are neutrons. The charge is and there are are electrons. This radiation is called a. alpha b. beta C. gamma d. 0 е. 1 f. 2 g. 3 h. 4 i. 5 j. 6arrow_forwardThe name given to the atomic particle found outside the nucleus of an atom isa. proton.b. neutron.c. electron.d. ion.arrow_forwardFluorine has an atomic number of 9. Which of the following is true of fluorine? O A. It will lose an electron to become a cation. B. It will gain an electron to become an anion. O C. It will form two covalent bonds to fill its outer shell. O D. It will form three covalent bonds to fill its outer shell. d. MacBooarrow_forward
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- 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_forwardThe most abundant element by weight in the human body is a. carbon. b. hydrogen. c. oxygen.d. nitrogen.arrow_forwardMiller and Urey created a reaction chamber that simulated conditions in Earths early atmosphere to test the hypothesis that______. a. lightning-fueled atmospheric reactions could have produced organic compounds b. meteorites contain organic compounds c. organic compounds form at hydrothermal vents d. oxygen prevents formation of organic compoundsarrow_forward
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