College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Chapter 28, Problem 48P
To determine
The values of
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Two electrons in the nucleus of a 238U atom are separated by a distance of 8 fm. What is the potential energy of the arrangement?
A) 179.77 keVB) 2.25×10 43 eVC) 4.61×10 −33 keVD) 3.596 eV
A hydrogen atom in the ground state absorbs a 13.32-eV photon. To what level is the electron promoted? (The ionization energy of hydrogen is 13.6 eV).
a.
n = 6
b.
n = 5
c.
n = 10
d.
n = 11
e.
n = 7
True or False does energy need to be absorbed by an atom in order for the atom to increase in its energy level?
A.True
B. False
Chapter 28 Solutions
College Physics
Ch. 28 - Prob. 1RQCh. 28 - Prob. 2RQCh. 28 - Prob. 3RQCh. 28 - Prob. 4RQCh. 28 - Prob. 5RQCh. 28 - Prob. 6RQCh. 28 - Prob. 7RQCh. 28 - Prob. 8RQCh. 28 - Prob. 1MCQCh. 28 - Prob. 2MCQ
Ch. 28 - Prob. 3MCQCh. 28 - Prob. 4MCQCh. 28 - Prob. 5MCQCh. 28 - Prob. 6MCQCh. 28 - Prob. 7MCQCh. 28 - Prob. 8MCQCh. 28 - Prob. 9MCQCh. 28 - Prob. 10MCQCh. 28 - Prob. 11MCQCh. 28 - Prob. 12MCQCh. 28 - Prob. 13CQCh. 28 - Prob. 14CQCh. 28 - Prob. 15CQCh. 28 - Prob. 16CQCh. 28 - Prob. 17CQCh. 28 - Prob. 18CQCh. 28 - Prob. 19CQCh. 28 - Prob. 20CQCh. 28 - Prob. 21CQCh. 28 - Prob. 22CQCh. 28 - Prob. 23CQCh. 28 - Prob. 24CQCh. 28 - Prob. 25CQCh. 28 - Prob. 26CQCh. 28 - Prob. 27CQCh. 28 - Prob. 28CQCh. 28 - Prob. 29CQCh. 28 - Prob. 30CQCh. 28 - Prob. 31CQCh. 28 - Prob. 32CQCh. 28 - Prob. 33CQCh. 28 - Prob. 34CQCh. 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 - 28.4 Lasers (a) A laser pulse emits 2.0 J of...Ch. 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. 50PCh. 28 - Prob. 51PCh. 28 - Prob. 52PCh. 28 - Prob. 53PCh. 28 - Prob. 54PCh. 28 - Prob. 55PCh. 28 - Prob. 56PCh. 28 - Prob. 57PCh. 28 - Prob. 58PCh. 28 - Prob. 59GPCh. 28 - Prob. 60GPCh. 28 - Prob. 61GPCh. 28 - Prob. 62GPCh. 28 - Prob. 63GPCh. 28 - Prob. 64GPCh. 28 - Prob. 65GPCh. 28 - Prob. 66GPCh. 28 - Prob. 67GPCh. 28 - Prob. 68RPPCh. 28 - Prob. 69RPPCh. 28 - Prob. 70RPPCh. 28 - Prob. 71RPPCh. 28 - Prob. 72RPPCh. 28 - Prob. 73RPPCh. 28 - Prob. 74RPPCh. 28 - Prob. 75RPPCh. 28 - Prob. 76RPPCh. 28 - Prob. 77RPPCh. 28 - Prob. 78RPP
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- A beryllium ion with a single electron (denoted Be3+) is in an excited state with radius the same as that of the ground state of hydrogen. (a) What is n for the Be3+ ion? (b) How much energy in eV is needed to ionize the ion from this excited state?arrow_forward(a) If one subshell of an atom has 9 electrons in it, what is the minimum value of l ? (b) What is the spectroscopic notation for this atom, if this subshell is part of the n=3 shell?arrow_forwardIdentify the shell, subshell, and number of electrons for the following: (a) 2P3. (b)4d9. (c) 3s1. (d) 5g16.arrow_forward
- (a) How many electrons can be in the n = 4 shell? (b) What are its subshells, and how many elections can be in each?arrow_forwardA laser with a power output of 2.00 mW at a wavelength of 400 nm is projected onto calcium metal. (a) How many electrons per second are ejected? (b) What power is carried away by the electrons, given that the binding energy is 2.71 eV?arrow_forwardIf an atom has an electron in the n=5 state with m1=3, what are the possible values of l ?arrow_forward
- (a) What is the minimum value of 1 for a subshell that has 11 electrons in it? (b) If this subshell is in the n=5 shell, what is the spectroscopic notation for this atom?arrow_forwardWhat is the frequency of light that must be absorbed by a hydrogen atom for its electron to jump from the n = 2 to n = 3 energy level? ? ] × 10⁰²] Hzarrow_forward3. Calculate the probability to find an electron in the following regions if the electron resides in a 2p: orbital of a hydrogen atom. The "z" in the equation below is a Cartesian coordinate, not the atomic number "2" which equals 1 for the hydrogen atom. Use whatever information below is more convenient. 32 n až ao 13 I and Y(0,4) =: 24 až ao Vzp, = R(r)Y(0, 4) where R(r) = (a) Calculate the probability to find an electron in a 1.0 pm' cube centered at the Cartesian point (200, 0, 0). (b) Calculate the probability to find an electron in a 1.0 pm' cube centered at the Cartesian point (0, 2ao, 0). (c) Calculate the probability to find an electron in a 1.0 pm' cube centered at the Cartesian point (0, 0, 2a0). (d) Draw a 2p, orbital in 3D space and include the points of (a), (b), and (c). Explain how your diagram qualitatively supports the probabilities you calculated. (e) Calculate the probability to find an electron in a 1.0 pm-thick shell at a radius 2ao from the nucleus.arrow_forward
- 1. Question 1: a. Draw a schematic of the hydrogen atom with the single proton in the nucleus, and the n=1, n=2, n=3, and n=4 energy level options for the electron. Put the electron in the lowest energy configuration. b. Justify why this electron configuration represents the lowest energy state for the electron. (hint: compare the energy of the electron in both cases and be mindful of negative signs)arrow_forward4. An angular momentum in the 'z' direction is measured to be 2 within a hydrogen atom. A) Determine the magnetic angular momentum number, me B) If the orbital angular momentum number is equal to three (= 3), determine the angle between the z-axis and the angular momentum vector 'L' C) Repeat part (B) when me = 1arrow_forward15 Table 39-4 lists the quantum numbers for five proposed hydrogen atom states. Which of them are not possible? Table 39-4 me (a) 3 (b) 2 3 1 (c) -4 (d) 5 (e) 3 -2arrow_forward
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