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What value of wavelength is associated with the Lyman series for {image} {image}

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Title: What value of wavelength is associated with the Lyman series for {image} {image}


1
What value of wavelength is associated with the
Lyman series for image image
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
2
What wavelength (in image is associated with
the Paschen series for image image
  1. 330
  2. 2.1
  3. 1.9
  4. 0.4
  5. 590

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
3
Light is emitted by hydrogen atoms in the visible
range for a hydrogen atom. Its wavelength is 434
nm. What value of image is associated with the
light? image
  1. 3
  2. 8
  3. 4
  4. 5
  5. 6

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
4
An electron in a hydrogen atom makes a transition
from the image to the image energy state.
Determine the energy (in eV) of the emitted
photon.
  1. 0.28
  2. 2.49
  3. 1.13
  4. 10.2
  5. 0.20

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
5
An electron in a hydrogen atom makes a transition
from the image to the image energy state.
Determine the wavelength of the emitted photon
(in nm).
  1. 246
  2. 614
  3. 389
  4. 182
  5. 1,451

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
6
A hydrogen atom is in its fourth excited state
image . The linear momentum of the electron is
_____ (in image .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
7
How fast is the electron moving in the fourth
Bohr orbit?
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
8
An electron is moving at a speed of image in
the sixth Bohr orbit. Determine its de Broglie
wavelength.
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
9
Suppose Bohr had chosen the potential energy of
the electron in the hydrogen atom to be image
when the electron is in the orbit with image He
could do this by _____.
  1. subtracting a constant 13.6 eV from the potential
    energy for all values of image
  2. adding a constant 27.2 eV to the potential energy
    for all values of image
  3. adding a constant 13.6 eV to the potential energy
    for all values of image
  4. subtracting a constant 27.2 eV from the potential
    energy for all values of image
  5. choosing image for the orbit where the kinetic
    energy of the electron is equal to the potential
    energy

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
10
The allowed values of image for the image ion
are _____.
  1. any real number
  2. 3 to image
  3. 1 to image
  4. 1 to 9
  5. 2 to image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
11
One of the main problems with the Bohr model of
the hydrogen atom when compared with the results
of the methods of quantum mechanics used to
describe atoms, was that the Bohr model predicted
that _____.
  1. the wavelength of the radiation emitted when an
    electron "jumps" from one allowed orbit to
    another is image
  2. the energy of the ground state of the hydrogen
    atom is image
  3. the potential energy function for the hydrogen
    atom is given by image
  4. the ground state angular momentum is image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
12
The allowed values of image for the image
shell in a image ion are _____.
  1. 1, 2, 3
  2. 0, 1, 2, 3, 4
  3. 0, 1, 2
  4. 0, 1, 2, 3
  5. 1, 2, 3, 4

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
13
In the subshell of the image ion with orbital
quantum number image the allowed values of the
magnetic quantum number image are _____.
  1. 0 to image
  2. image to image
  3. image to image
  4. image to image
  5. image to image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
14
In a shell of the hydrogen atom with image the
permitted values of the orbital magnetic quantum
number image are _____.
  1. 1, 0
  2. 0
  3. 2, 1, 0, -1, -2
  4. 2, 1, 0
  5. 1, 0, -1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
15
The number of states in the image ion
corresponding to the principle quantum number
image are _____.
  1. 50
  2. 79
  3. 52
  4. 25
  5. 8

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
16
The image symbols represent values of the
quantum number _____.
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
17
The image symbols represent values of the
quantum number _____.
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
18
The energy needed to remove an electron from the
first excited state of a image ion is _____.
  1. 287 eV
  2. 31 eV
  3. 28 eV
  4. 26 eV
  5. 116 eV

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
19
Of the following states, image image image
image image image and image the one which
is NOT allowed is _____.
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
20
For the following allowed transitions, which
photon would have the least wavelength when an
electron "jumps" from one energy level,
characterized by the quantum number image , to
another?
  1. image to image
  2. image to image
  3. image to image
  4. image to image
  5. image to image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
21
The energy needed to change a image ion in the
second excited state into a image ion is _____.
  1. 305.1 eV
  2. 50.3 eV
  3. 8.7 eV
  4. 10.5 eV
  5. 6.0 eV

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
22
If image is the radial probability density
function for an electron in the ground state of a
hydrogen atom, the most probable value for
image can be found from _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
23
The probability density for the image state is
given by image . The probability of finding the
particle somewhere in space is _____.
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
24
A image ion undergoes a transition from the
image to the image state. The energy of the
emitted photon is _____.
  1. 0.60 eV
  2. 3.11 eV
  3. 1.89 eV
  4. 78.0 eV
  5. 487 eV

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
25
The radial portion of the de Broglie wave
function for an electron in the ground state of
the hydrogen atom is image where image is the
Bohr radius. The probability of finding the
electron is _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
26
The probability density of a particle at a
distance image from the nucleus is essentially
the _____ .
  1. probability per unit area of finding the particle
    within a unit area centered on image
  2. probability per unit volume of finding the
    particle within a small volume about image
  3. probability of finding the particle within a
    small volume about image
  4. probability per unit length of finding the
    particle within a unit length of image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
27
Of the following states of the hydrogen atom,
image image image image image which
answer lists all the states that are not
spherically symmetrical?
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
28
Which of the following statements is true?
  1. image can never be perpendicular to image
  2. image can never be aligned parallel to image
  3. image can be aligned parallel to image
  4. image must be perpendicular to image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
29
A hydrogen atom in the image state has a total
angular momentum (in terms of image ) of
magnitude _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
30
In 1921, Stern and Gerlach performed an
experiment that first demonstrated _____ .
  1. energy quantization
  2. magnetic orbital quantization
  3. space quantization
  4. orbital angular momentum quantization
  5. that particles behave like waves

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
31
The total angular momentum for a image electron
is _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
32
What angle does the orbital angular momentum make
with the image axis of a hydrogen atom in the
state image image image
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
33
When using the Pauli Exclusion Principle, we
assume the particle's spin angular momentum is of
magnitude _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
34
The image component of spin angular momentum is
equal to _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
35
The Hund's rule states _____ .
  1. no two atoms can have the same set of quantum
    numbers
  2. when an atom has orbitals of equal energy, the
    order in which they are filled by electrons is
    such that a maximum number of electrons have
    unpaired spins
  3. when an atom has orbitals of equal energy, the
    maximum number of electrons will be paired spins
  4. no two electrons in the same atom can have the
    same set of quantum numbers
  5. there is an inherent uncertainty in the position
    and momentum of a particle

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
36
Forbidden transitions and selection rules suggest
that _____ .
  1. a photon has linear momentum
  2. a photon has energy
  3. a photon has angular momentum
  4. a photon has mass
  5. a photon has parity

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
37
Characteristic x-rays can be produced by
bombarding targets with electrons. These x-rays
occur when _____ .
  1. electrons from higher shells fill the vacant
    lower shell
  2. photons are emitted with wavelengths on the order
    of image
  3. electrons from lower shells fill the higher shell
  4. photons are emitted with energies on the order of
    image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
38
The ground state configuration of scandium
image is _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
39
Iodine image and bromine image are similar to
chlorine in that they have _____ electron(s) in
the outermost shell.
  1. five image
  2. four image
  3. five image
  4. two image
  5. one image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
40
When electrons fill a subshell in which the
orbitals have equal energy, the order in which
the orbitals are filled is such that _____ .
  1. a maximum number of electrons has unpaired spins
  2. a minimum number of electrons first fills the
    next energy level
  3. a maximum number of electrons has intrinsic
    angular momentum
  4. the minimum number of electrons has the same set
    of quantum numbers
  5. a minimum number of electrons has unpaired spins

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
41
In a completely filled atomic shell, _____ .
  1. the intrinsic spin of the electrons does not
    produce a resultant magnetic moment
  2. the orbital motion of the electrons produces a
    resultant magnetic moment
  3. the electrons do not contribute to paramagnetic
    or ferromagnetic effects
  4. the first and third above answers are correct
  5. all of the above are correct

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
42
Which of the following, in which image and
image have integer values, is a correct formula
for a wavelength emitted by a hydrogen atom?
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
43
In the Bohr model of the hydrogen atom, the total
energy of the electron-proton system is _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
44
In terms of image , where image the radii of
the allowed orbits in the Bohr model of the
hydrogen atom are given by image _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
45
Quantum physics agrees with the classical physics
limit when _____ .
  1. the difference in energy between adjacent
    quantized levels becomes vanishingly small
  2. all electron spins are paired so that image
  3. the total energy is a small multiple of the
    energy in the lowest quantized state
  4. there is a vacancy in an inner level in the atom
  5. the total angular momentum is a small multiple of
    image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
46
In an atom that has an electron in a sub-shell
for which image with respect to the magnetic
field vector image the magnetic moment vector
image of the electron is allowed to be oriented
in _____ .
  1. image discrete directions
  2. image discrete directions
  3. any direction
  4. image discrete directions
  5. image discrete directions

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
47
The number of electrons in the image image
subshell in gallium image is _____ the number
of electrons in the image image subshell in
indium image
  1. image times
  2. image times
  3. image times
  4. equal to
  5. image times

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
48
In an allowed electron transition in a hydrogen
atom, _____ .
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
49
An energy of 3.4 eV is needed to ionize an
electron from the first excited state of a
hydrogen atom. What wavelength is needed if a
photon accomplishes this task?
  1. 360 nm
  2. 780 nm
  3. 140 nm
  4. 370 nm
  5. 510 nm

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
50
A hydrogen atom is in its ground state. Incident
on the atom are many photons each having an
energy of image The result is that _____.
  1. the atom is excited to a higher allowed state
  2. the atom is ionized
  3. the photons pass by the atom without interaction

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51
A hydrogen atom makes a transition from the
image level to the image level. It then makes
a transition from the image level to the
image level. Which transition results in
emission of the longest-wavelength photon?
  1. The first transition.
  2. The second transition.
  3. Neither, because the wavelengths are the same for
    both transitions.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
52
How many possible subshells are there for the
image level of hydrogen?
  1. 5
  2. 4
  3. 3
  4. 2
  5. 1

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
53
When the principal quantum number is image how
many different values of (a) image and (b)
image are possible?
  1. (a) 4 and (b) 9
  2. (a) 4 and (b) 10
  3. (a) 5 and (b) 9
  4. (a) 5 and (b) 10
  5. (a) 9 and (b) 4

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
54
In the hydrogen atom, the quantum number image
can increase without limit. True or False?
Because of this, the frequency of possible
spectral lines from hydrogen also increases
without limit.
  1. True
  2. False

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
55
Rank the energy necessary to remove the outermost
electron from the following three elements,
smallest to largest helium, neon, argon.
  1. helium, neon, argon
  2. helium, argon, neon
  3. neon, helium, argon
  4. neon, argon, helium
  5. argon, helium, neon
  6. argon, neon, helium

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
56
What are the initial and final shells for an
image line in an x-ray spectrum?
  1. Final K, Initial M
  2. Final M, Initial K
  3. Final M, Initial O
  4. Final O, Initial M

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
57
In an x-ray tube, as you increase the energy of
the electrons striking the metal target, the
wavelengths of the characteristic x-rays _____.
  1. increase
  2. decrease
  3. do not change

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
58
True or false? It is possible for an x-ray
spectrum to show the continuous spectrum of
x-rays without the presence of the characteristic
x-rays.
  1. True
  2. False

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
59
Find the expression for the speed of the electron
in the n-th Bohr orbit in hydrogen.
  1. image
  2. image
  3. image
  4. image
  5. image

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
60
A certain element has its outermost electron in a
4p state. It has valence 3, since it has 3 more
electrons than a certain noble gas. What element
is it?
  1. oxygen
  2. iron
  3. gallium
  4. copper
  5. nickel

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
61
In x-ray production, electrons are accelerated
through a high voltage image and then
decelerated by striking a target. Find the
expression for the shortest wavelength of an
x-ray that can be produced.
  1. image
  2. image
  3. image
  4. image
  5. image

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62
The wavelength of characteristic x-rays in the
image line is 0.133 nm. Determine the material
in the target.
  1. nickel
  2. manganese
  3. vanadium
  4. scandium
  5. chromium

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63
The hydrogen atom makes a transition from the
state image to the state image Use Bohr's
model to find the expression for the frequency of
the emitted light.
  1. image
  2. image
  3. image
  4. image
  5. image

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