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36 and 39 please

36 and 39 please

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 3ALQ: These questions concern the work of J. J. Thomson. a. From Thomsons work, which particles do you...
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36 and 39 please...
anşwer. ti (2.34 Describe Thomson's model of the atom. How might it ac- count for the production of cathode rays? 2.35 When Rutherford's coworkers bombarded gold foil with a particles, they obtained results that overturned the existing (Thomson) model of the atom. Explain. The Atomic Theory Today (Sample Problems 2.4 and 2.5) Goncept Review Questions 2.36 Define atomic number and mass number. Which can vary without changing the identity of the element? 2.37 Choose the correct answer. The difference between the mass number of an isotope and its atomic number is (a) directly related to the identity of the element; (b) the number of electrons; (c) the number of neutrons; (d) the number of isotopes. 2.38 Even though several elements have only one naturally occur- ring isotope and all atomic nuclei have whole numbers of protons and neutrons, no atomic mass is a whole number. Use the data from Table 2.2 to explain this fact. Skill-Building Exercises (grouped in similar pairs) 2.39 Argon has three naturally occurring isotopes, 36 Ar, 3Ar, 40 and "Ar. What is the mass number of each isotope? How many protons, neutrons, and electrons are present in each? 2.40 Chlorine has two naturally occurring isotopes, 3Cl and "CI. What is the mass number of each isotope? How many protons, neutrons, and electrons are present in each?
Transcribed Image Text:anşwer. ti (2.34 Describe Thomson's model of the atom. How might it ac- count for the production of cathode rays? 2.35 When Rutherford's coworkers bombarded gold foil with a particles, they obtained results that overturned the existing (Thomson) model of the atom. Explain. The Atomic Theory Today (Sample Problems 2.4 and 2.5) Goncept Review Questions 2.36 Define atomic number and mass number. Which can vary without changing the identity of the element? 2.37 Choose the correct answer. The difference between the mass number of an isotope and its atomic number is (a) directly related to the identity of the element; (b) the number of electrons; (c) the number of neutrons; (d) the number of isotopes. 2.38 Even though several elements have only one naturally occur- ring isotope and all atomic nuclei have whole numbers of protons and neutrons, no atomic mass is a whole number. Use the data from Table 2.2 to explain this fact. Skill-Building Exercises (grouped in similar pairs) 2.39 Argon has three naturally occurring isotopes, 36 Ar, 3Ar, 40 and "Ar. What is the mass number of each isotope? How many protons, neutrons, and electrons are present in each? 2.40 Chlorine has two naturally occurring isotopes, 3Cl and "CI. What is the mass number of each isotope? How many protons, neutrons, and electrons are present in each?
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