College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Chapter 28, Problem 12CQ
To determine
Which has more energy hydrogen atom with electron in high or low shell, and which moves faster.
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Which has more total energy: a hydrogen atom with an electron in a high shell (large n) or in a low shell (small n)? Which is moving faster: the high-shell electron or the low-shell electron? Is there a contradiction here? Explain.
A doubly ionized lithium atom (Li++) is one that has had two of its three electrons removed. The energy levels of the remaining single-electron ion are closely related to those of the hydrogen atom. The nuclear charge for lithium is +3e instead of just +e. How are the energy levels related to those of hydrogen? How is the radius of the ion in the ground level related to that of the hydrogen atom? Explain.
1A)
When a completely ionized helium atom moves across a potential difference, its
energy changes by AU=(-1.18x10^-15) J.
What is the value of the potential difference?
Provide your answer in volts, use scientific notation. Use three significant figures in
your response.
Ignore D2L's comment about "highest possible power", present your answer in format
X.YZ*10^N.
Note: Your answer is assumed to be reduced to the highest power possible.
Your Answer:
|x10
Answer
units
B)
Two point charges, q1 =4.0 nC and q2 =-5.0 nC are located at A =(0.5,-1.0)m and
B =(-2.6,-3.6)m, respectively.
Calculate the electric potential due to these point charges at P =(-5.2,-2.7)m.
Express your answer in volts, use appropriate symbols. Express your answer rounded
to have at least one digit after the decimal, do not use scientific notation. Using more
significant figures will not be considered incorrect, using fewer may result in errors
due to rounding.
Your Answer:
Answer
units
Chapter 28 Solutions
College Physics (10th Edition)
Ch. 28 - Prob. 1CQCh. 28 - Prob. 2CQCh. 28 - Prob. 3CQCh. 28 - Prob. 4CQCh. 28 - Prob. 5CQCh. 28 - Prob. 6CQCh. 28 - Prob. 7CQCh. 28 - Prob. 8CQCh. 28 - Prob. 9CQCh. 28 - Prob. 10CQ
Ch. 28 - Prob. 11CQCh. 28 - Prob. 12CQCh. 28 - Prob. 1MCPCh. 28 - Prob. 2MCPCh. 28 - Prob. 3MCPCh. 28 - Prob. 4MCPCh. 28 - Prob. 5MCPCh. 28 - Prob. 6MCPCh. 28 - Prob. 7MCPCh. 28 - Prob. 8MCPCh. 28 - Prob. 9MCPCh. 28 - Prob. 10MCPCh. 28 - Prob. 11MCPCh. 28 - Prob. 12MCPCh. 28 - Prob. 1PCh. 28 - Prob. 2PCh. 28 - Prob. 3PCh. 28 - Prob. 4PCh. 28 - Prob. 5PCh. 28 - Prob. 6PCh. 28 - Prob. 7PCh. 28 - Prob. 8PCh. 28 - Prob. 9PCh. 28 - Prob. 10PCh. 28 - Prob. 11PCh. 28 - Prob. 12PCh. 28 - Prob. 13PCh. 28 - Prob. 14PCh. 28 - Prob. 15PCh. 28 - Prob. 16PCh. 28 - Prob. 17PCh. 28 - Prob. 18PCh. 28 - Prob. 19PCh. 28 - Prob. 20PCh. 28 - Prob. 21PCh. 28 - Prob. 22PCh. 28 - Prob. 23PCh. 28 - Prob. 24PCh. 28 - Prob. 25PCh. 28 - Prob. 26PCh. 28 - Prob. 27PCh. 28 - Prob. 28PCh. 28 - Prob. 29PCh. 28 - Prob. 30PCh. 28 - Prob. 31PCh. 28 - Prob. 32PCh. 28 - Prob. 33PCh. 28 - Prob. 34PCh. 28 - Prob. 35PCh. 28 - Prob. 36PCh. 28 - Prob. 37PCh. 28 - Prob. 38PCh. 28 - Prob. 39PCh. 28 - Prob. 40PCh. 28 - Prob. 41PCh. 28 - Prob. 42PCh. 28 - Prob. 43PCh. 28 - Prob. 44PCh. 28 - Prob. 45PCh. 28 - Prob. 46PCh. 28 - Prob. 47PCh. 28 - Prob. 48PCh. 28 - Prob. 49PCh. 28 - Prob. 50GPCh. 28 - Prob. 51GPCh. 28 - Prob. 52GPCh. 28 - Prob. 53GPCh. 28 - Prob. 54GPCh. 28 - Prob. 55GPCh. 28 - Prob. 56GPCh. 28 - Prob. 57GPCh. 28 - Prob. 58GPCh. 28 - Prob. 59GPCh. 28 - Prob. 61GPCh. 28 - Prob. 62GPCh. 28 - Prob. 63GPCh. 28 - Prob. 64GPCh. 28 - Prob. 65GPCh. 28 - Prob. 66PPCh. 28 - Prob. 67PPCh. 28 - Prob. 68PPCh. 28 - Prob. 69PPCh. 28 - Prob. 70PPCh. 28 - Prob. 71PPCh. 28 - Prob. 72PPCh. 28 - Prob. 73PPCh. 28 - Prob. 74PP
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- The energy of an electron in a hydrogen atom is -4.45 x 10-20 J. What energy level (n) does it occupy? Is there another valid energy level at -2.69 x 10-20 J? If so, what is this other energy level?arrow_forwardA photon corresponding to a particular frequency of blue light produces a transition from then = 2 to the n = 5 level of a hydrogen atom. Could this photon produce the same transition (n = 2to n = 5) in an atom of X? Explain.arrow_forwardWhen we say that electrons have particle properties and then continue to say that electrons have wave properties, aren’t we contradicting ourselves? Explain.arrow_forward
- an electron in a hydrogen atom is in a state with principal quantum number n = 3. a) what is the largest orbital angular momentum it can have? b) which values of the z - component of the angular momentum are allowed with this total momentum? (leave answers in units of h bar) c) the electron transitions to the n = 2 energy level, emitting a photon. what is that photon's length?arrow_forwardIn a helium atom, which contains two electrons, do youthink that on average the electrons are closer to thenucleus or farther away than in a hydrogen atom? Why?arrow_forwardA) what is the radius in nm of the electron orbit of a hydrogen atom for n=3 ? b)what is the radius in no of the electron orbit of a hydrogen atom for n=2 ? C) what is the energy in eV of the electron of a hydrogen atom for the orbit designated n=1 d) what is the energy in eV of the electron of a hydrogen atom for the orbit designated n=4 ?arrow_forward
- lmagine an alternate universe where the mass of the electron is 2.4 times larger than in our universe.Assuming that none of the other properties of the universe are changed, what would be the wavelength of the first line (the line with the longest wavelength)in the Lyman series of the hydrogen atom? Give your answer in nm.arrow_forward(Bonus 7 pts) (a) Let's reconsider particle-in-a-box model (with 12 electrons) in question 1 by modifying a rectangular particle-in-a-box. When the height of box in Q1 is reduced to a half (see below), construct an energy-level diagram showing the relative energy ordering of the lowest 8 molecular orbitals when this cube is a xa x 0.5a. Label the levels in terms of their quantum numbers and Eo (Eo = h2/8ma²). Be alert for degeneracies. S Fe Fe 0.5a E3D 111: 6 to 211=96 121=9E. 112: 136. 221-126. h² n 5:蒜(++) h² 8m h² 8m ha Bmaz (4) (n} + (0.5a)2 n? + वर 0-2592) + n + 42) = E (n² + n²² + 4 m²) E = 120f6€ = GE 125.arrow_forwardIf the electron in a hydrogen atom obeyed classical mechanics instead of quantum mechanics, would it emit a continuous spectrum or a line spectrum? Explain.arrow_forward
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