Chemistry & Chemical Reactivity
9th Edition
ISBN: 9781133949640
Author: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher: Cengage Learning
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Chapter 6, Problem 74SCQ
Bohr pictured the electrons of the atom as being located in definite orbits about the nucleus, just as the planets orbit the Sun. Criticize this model.
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Chapter 6 Solutions
Chemistry & Chemical Reactivity
Ch. 6.1 - (a) Which color in the visible spectrum has the...Ch. 6.1 - 1. Which of the following types of electromagnetic...Ch. 6.1 - What is the wavelength of an FM radio signal that...Ch. 6.2 - Calculate the energy per mole of photons for the...Ch. 6.2 - Prob. 1RCCh. 6.2 - Prob. 2RCCh. 6.3 - Prob. 1CYUCh. 6.3 - The Lyman series of spectral lines for the H atom,...Ch. 6.3 - 1. Based on Bohr's theory, which of the following...Ch. 6.3 - Based on Bohr's theory, which of the following...
Ch. 6.4 - Calculate the wavelength associated with a neutron...Ch. 6.4 - 1. The wavelength associated with an electron...Ch. 6.5 - 1. What label is given to an orbital with quantum...Ch. 6.5 - 2. How many orbitals are in the n = 4...Ch. 6.5 - Prob. 3RCCh. 6.6 - 1. Which of the following is not a correct...Ch. 6.6 - Which of the following sets of quantum numbers...Ch. 6.6 - How many nodal planes exist for a 5d orbital? (a)...Ch. 6.7 - Which of the following is a valid set of quantum...Ch. 6 - Answer the following questions based on Figure...Ch. 6 - Consider the colors of the visible spectrum. (a)...Ch. 6 - Traffic signals are often now made of LEDs...Ch. 6 - Suppose you are standing 225 m from a radio...Ch. 6 - Green light has a wavelength of 5.0 102 nm. What...Ch. 6 - Violet light has wavelength of about 410 nm. What...Ch. 6 - The most prominent line in the emission spectrum...Ch. 6 - The most prominent line in the emission spectrum...Ch. 6 - Place the following types of radiation in order of...Ch. 6 - Place the following types of radiation in order of...Ch. 6 - An energy of 3.3 1019 J/atom is required to cause...Ch. 6 - You are an engineer designing a switch that works...Ch. 6 - The most prominent line in the spectrum of mercury...Ch. 6 - The most prominent line in the spectrum of neon is...Ch. 6 - A line in the Balmer series of emission lines of...Ch. 6 - What are the wavelength and frequency of the...Ch. 6 - Consider only transitions involving the n = 1...Ch. 6 - Consider only transitions involving the n = 1...Ch. 6 - The energy emitted when an electron moves from a...Ch. 6 - If energy is absorbed by a hydrogen atom in its...Ch. 6 - Calculate the wavelength and frequency of light...Ch. 6 - Calculate the wavelength and frequency of light...Ch. 6 - An electron moves with a velocity of 2.5 X 108...Ch. 6 - A beam of electrons (m = 9.11 X 1031 kg/electron)...Ch. 6 - Calculate the wavelength, in nanometers,...Ch. 6 - A rifle bullet (mass = 1.50 g) has a velocity of...Ch. 6 - (a) When n = 4, what are the possible values of ?...Ch. 6 - (a) When n = 4, = 2, and m = 1, to what orbital...Ch. 6 - A possible excited state of the H atom has the...Ch. 6 - A possible excited state for the H atom has an...Ch. 6 - How many subshells occur in the electron shell...Ch. 6 - Prob. 32PSCh. 6 - Explain briefly why each of the following is not a...Ch. 6 - Which of the following represent valid sets of...Ch. 6 - What is the maximum number of orbitals that can be...Ch. 6 - What is the maximum number of orbitals that can be...Ch. 6 - Explain briefly why each of the following is not a...Ch. 6 - Explain briefly why each of the following is not a...Ch. 6 - State which of the following orbitals cannot exist...Ch. 6 - State which of the following orbitals cannot exist...Ch. 6 - Write a complete set of quantum numbers (n, , m)...Ch. 6 - Write a complete set of quantum numbers (n, , and...Ch. 6 - A particular orbital has n = 4 and = 2. What must...Ch. 6 - A given orbital has a magnetic quantum number of m...Ch. 6 - Prob. 45PSCh. 6 - Prob. 46PSCh. 6 - Which of the following are applicable when...Ch. 6 - Prob. 48GQCh. 6 - Give the number of nodal surfaces through the...Ch. 6 - What is the maximum number of s orbitals found in...Ch. 6 - Match the values of l shown in the table with...Ch. 6 - Sketch a picture of the 90% boundary surface of an...Ch. 6 - Complete the following table.Ch. 6 - Excited H atoms have many emission lines. One...Ch. 6 - An advertising sign gives off red light and green...Ch. 6 - Radiation in the ultraviolet region of the...Ch. 6 - A cell phone sends signals at about 850 MHz (where...Ch. 6 - Assume your eyes receive a signal consisting of...Ch. 6 - If sufficient energy is absorbed by an atom, an...Ch. 6 - Suppose hydrogen atoms absorb energy so that...Ch. 6 - Rank the following orbitals in the H atom in order...Ch. 6 - How many orbitals correspond to each of the...Ch. 6 - Cobalt-60 is a radioactive isotope used in...Ch. 6 - Exposure to high doses of microwaves can cause...Ch. 6 - When the Sojourner spacecraft landed on Mars in...Ch. 6 - The most prominent line in the emission spectrum...Ch. 6 - Answer the following questions as a summary quiz...Ch. 6 - Answer the following questions as a summary quiz...Ch. 6 - For an electron in a hydrogen atom, calculate the...Ch. 6 - A solution of KMnO4 absorbs light at 540 nm (page...Ch. 6 - Prob. 71ILCh. 6 - The spectrum shown here is for aspirin. The...Ch. 6 - The infrared spectrum for methanol. CH3OH, is...Ch. 6 - Bohr pictured the electrons of the atom as being...Ch. 6 - Light is given off by a sodium- or...Ch. 6 - Prob. 76SCQCh. 6 - What does wave-particle duality mean? What are its...Ch. 6 - Prob. 79SCQCh. 6 - Suppose you live in a different universe where a...Ch. 6 - A photon with a wavelength of 93.8 nm strikes a...Ch. 6 - Explain why you could or could not measure the...Ch. 6 - Prob. 83SCQ
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- Which statement is true of the quantum mechanical model, but not of the Bohr model? a. Electrons orbit the nucleus in simple circular orbits, just like planets orbit the Sun. b. The exact path that an electron follows within an atom cannot be specified. c. The electron is attracted to the nucleus of the atom.arrow_forwardHow are the Bohr model and the quantum mechanical model of the hydrogen atom similar? How are they different?arrow_forwardAccording to the Bohr theory, which of the following would have the higher energy? a. An electron in an orbit close to the nucleus b. An electron in an orbit located farther from the nucleusarrow_forward
- Why was Bohr's theory for the hydrogen atom initially accepted, and why was it ultimately discarded?arrow_forwardHow many sublevels are there in an atom with n=4?arrow_forwardDraw electron configurations for each of the following elements according to the Bohr model. Indicate which electrons are valence electrons. a. Mg b. S c. He d. Karrow_forward
- Describe the activity of electrons according to the planetary model of the atom that appeared after the Rutherford scattering experiment.arrow_forwardIn the Bohr model of the hydrogen atom, the electron occupies distinct energy states. In one transition between energy states, an electron moves from n=1 to n=2. Is energy absorbed or emitted in the process? Does the electron move closer to or farther from the nucleus?arrow_forwardExplain electron from a quantum mechanical perspective, including a discussion of atomic radii, probabilities, and orbitals.arrow_forward
- Although we may draw the 4s orbital with the shape of a ball, there is some probability of finding the electron outside the ball we draw. Is this statement true or false? Comment on this statement.arrow_forwardDetermine whether each statement that follows is true or false: a Electron energies are quantized in excited states but not in the ground state. b Line spectra of the elements are experimental evidence of the quantization of electron energies. c Energy is released as an electron passes from ground state to an excited state. d The energy of an electron may be between two quantized energy levels. e The Bohr model explanation of line spectra is still thought to be correct. f The quantum mechanical model of the atom describes orbitals in which electrons travel around the nucleus. g Orbitals are regions in which there is a high probability of finding an electron. h All energy sublevels have the same number of orbitals. i The 3p orbitals of an atom are larger than its 2p orbitals but smaller than its 4p orbitals. j At a given sublevel, the maximum number of d electrons is 5. k The halogens are found in Group 7A/17 of the periodic table. l The dot structure of the alkaline earths is X, where X is the symbol of element in the family. m Stable ions formed by alkaline earth metals are isoelectronic with noble gas atoms. n Atomic numbers 23 and 45 both belong to transition elements. o Atomic number 52, 35, and 18 are arranged in order of increasing atomic size. p Atomic number 7, 16, and 35 are all nonmetals.arrow_forwardGive electron configurations according to the Bohr model for each of the following elements. Indicate which of these elements you expect to be the most reactive and the least reactive. a. He b. Al c. Be d. Ne e. Oarrow_forward
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