Question 1

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 3,there will be permitted how many orbital magnetic quantum numbers?

Accepted Answer

A)   5
B)   8
C)   4
D)   7 A

Question 2

The ground state electronic configuration for magnesium is 1s22s22p63s2.Which of the following would most likely result in an element being chemically similar to magnesium?

Accepted Answer

A)   the valence subshell having 2 electrons
B)   the valence electron being an s2 electron
C)   the valence electron being a p2 electron
D)   the valence electron having principal quantum number 3 B

Question 3

What is the wavelength of the line in the hydrogen spectrum that is comprised of transitions from the n = 5 to the n = 3 levels?

Accepted Answer

A)   1880 nm
B)   1290 nm
C)   2250 nm
D)   1920 nm B

Question 4

The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 4,there are permitted how many possible substates?

Accepted Answer

A)   22
B)   18
C)   8
D)   32

Question 5

When a hydrogen atom absorbs a photon that raises it to the n = 5 state,how many different energies are possible for the photon(s)that may be emitted as the atom eventually returns to the ground state?

Accepted Answer

A)   5
B)   3
C)   4
D)   The correct value is not given.

Question 6

When a hydrogen atom absorbs a photon that raises it to the n = 4 state,what is the least number of photons that can be emitted by that atom as it returns to the ground state?

Accepted Answer

A)   4
B)   3
C)   5
D)   The correct value is not given.

Question 7

The quantum mechanical model of the hydrogen atom requires that if the orbital magnetic quantum number is 4,there will be how many permitted spin magnetic quantum numbers?

Accepted Answer

A)   four
B)   seven
C)   three
D)   two

Question 8

The ground state electronic configuration for silicon is 1s22s22p63s23p2.Which of the following elements would be expected to be chemically similar to silicon?

Accepted Answer

A)   boron with configuration 1s22s22p1
B)   lithium with configuration 1s22s1
C)   carbon with configuration 1s22s22p2
D)   sodium with configuration 1s22s22p63s1

Question 9

In the hydrogen atom the potential energy is negative,but the absolute value of the potential energy:

Accepted Answer

A)   is half the kinetic energy of the electron.
B)   is equal to n2 times the kinetic energy of the electron.
C)   is equal to the kinetic energy of the electron.
D)   is twice the kinetic energy of the electron.

Question 10

For n = 5,how many allowed values are possible for the orbital quantum number and the orbital magnetic quantum number?

Accepted Answer

A)   5,11
B)   6,12
C)   5,9
D)   4,9

Question 11

What is the maximum number of electrons that can occupy a 3d subshell?

Accepted Answer

A)   5
B)   14
C)   10
D)   18

Question 12

Characteristic K x-rays are the result of:

Accepted Answer

A)   inner electron transitions.
B)   outer electron transitions.
C)   nuclear electron states.
D)   buckytubes.

Question 13

The Paschen series of hydrogen corresponds to electron transitions from higher levels to n = 3.What is the longest wavelength in that series? (h = 6.63 × 10−34 J⋅s.The ground state of hydrogen is at -13.6 eV. )

Accepted Answer

A)   822 nm
B)   365 nm
C)   1880 nm
D)   1094 nm

Question 14

Which of the following transitions in hydrogen from an initial state (ni)to a final state (nf)results in the least energy emitted?

Accepted Answer

A)   ni = 3,nf = 95
B)   ni = 80,nf = 2
C)   ni = 2,nf = 1
D)   ni = 1,nf = 3

Question 15

The four visible colors emitted by hydrogen atoms are produced by electrons:

Accepted Answer

A)   that start in the ground state.
B)   that end up in the ground state.
C)   that end up in the level with n = 2.
D)   that start in the level with n = 2.

Question 16

If the principal quantum number for hydrogen is 4,which one of the following is not a permitted orbital magnetic quantum number for that atom?

Accepted Answer

A)   −2
B)   0
C)   3
D)   5

Question 17

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 6,there will be how many permitted orbital quantum numbers?

Accepted Answer

A)   3
B)   16
C)   6
D)   5

Question 18

In an analysis relating Bohr's theory to the de Broglie wavelength of electrons,when an electron moves from the n = 1 level to the n = 3 level,the circumference for its orbit becomes 9 times greater.This occurs because:

Accepted Answer

A)   the wavelength of the electron becomes nine times as long.
B)   there are triple as many wavelengths,and each wavelength is triple in length.
C)   there are nine times as many wavelengths in the new orbit.
D)   the electron is moving nine times as fast.

Question 19

The ground state configuration for an element is 1s22s22p63s23p1.What is the atomic number of the element?

Accepted Answer

A)   11
B)   9
C)   24
D)   13

Question 20

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number is 5,there will be how many different permitted orbital quantum number(s)?

Accepted Answer

A)   two
B)   five
C)   one
D)   four

Exam 29: Nuclear Physics: Part A

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 3,there will be permitted how many orbital magnetic quantum numbers?

The ground state electronic configuration for magnesium is 1s²2s²2p⁶3s².Which of the following would most likely result in an element being chemically similar to magnesium?

What is the wavelength of the line in the hydrogen spectrum that is comprised of transitions from the n = 5 to the n = 3 levels?

The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 4,there are permitted how many possible substates?

When a hydrogen atom absorbs a photon that raises it to the n = 5 state,how many different energies are possible for the photon(s) that may be emitted as the atom eventually returns to the ground state?

When a hydrogen atom absorbs a photon that raises it to the n = 4 state,what is the least number of photons that can be emitted by that atom as it returns to the ground state?

The quantum mechanical model of the hydrogen atom requires that if the orbital magnetic quantum number is 4,there will be how many permitted spin magnetic quantum numbers?

The ground state electronic configuration for silicon is 1s²2s²2p⁶3s²3p².Which of the following elements would be expected to be chemically similar to silicon?

In the hydrogen atom the potential energy is negative,but the absolute value of the potential energy:

For n = 5,how many allowed values are possible for the orbital quantum number and the orbital magnetic quantum number?

What is the maximum number of electrons that can occupy a 3d subshell?

Characteristic K x-rays are the result of:

The Paschen series of hydrogen corresponds to electron transitions from higher levels to n = 3.What is the longest wavelength in that series? (h = 6.63 × 10−³⁴ J⋅s.The ground state of hydrogen is at -13.6 eV. )

Which of the following transitions in hydrogen from an initial state (n_i) to a final state (n_f) results in the least energy emitted?

The four visible colors emitted by hydrogen atoms are produced by electrons:

If the principal quantum number for hydrogen is 4,which one of the following is not a permitted orbital magnetic quantum number for that atom?

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 6,there will be how many permitted orbital quantum numbers?

In an analysis relating Bohr's theory to the de Broglie wavelength of electrons,when an electron moves from the n = 1 level to the n = 3 level,the circumference for its orbit becomes 9 times greater.This occurs because:

The ground state configuration for an element is 1s²2s²2p⁶3s²3p¹.What is the atomic number of the element?

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number is 5,there will be how many different permitted orbital quantum number(s) ?

Exam 29: Nuclear Physics: Part A

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 3,there will be permitted how many orbital magnetic quantum numbers?

The ground state electronic configuration for magnesium is 1s22s22p63s2.Which of the following would most likely result in an element being chemically similar to magnesium?

What is the wavelength of the line in the hydrogen spectrum that is comprised of transitions from the n = 5 to the n = 3 levels?

The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 4,there are permitted how many possible substates?

When a hydrogen atom absorbs a photon that raises it to the n = 5 state,how many different energies are possible for the photon(s) that may be emitted as the atom eventually returns to the ground state?

When a hydrogen atom absorbs a photon that raises it to the n = 4 state,what is the least number of photons that can be emitted by that atom as it returns to the ground state?

The quantum mechanical model of the hydrogen atom requires that if the orbital magnetic quantum number is 4,there will be how many permitted spin magnetic quantum numbers?

The ground state electronic configuration for silicon is 1s22s22p63s23p2.Which of the following elements would be expected to be chemically similar to silicon?

In the hydrogen atom the potential energy is negative,but the absolute value of the potential energy:

For n = 5,how many allowed values are possible for the orbital quantum number and the orbital magnetic quantum number?

What is the maximum number of electrons that can occupy a 3d subshell?

Characteristic K x-rays are the result of:

The Paschen series of hydrogen corresponds to electron transitions from higher levels to n = 3.What is the longest wavelength in that series? (h = 6.63 × 10−34 J⋅s.The ground state of hydrogen is at -13.6 eV. )

Which of the following transitions in hydrogen from an initial state (ni) to a final state (nf) results in the least energy emitted?

The four visible colors emitted by hydrogen atoms are produced by electrons:

If the principal quantum number for hydrogen is 4,which one of the following is not a permitted orbital magnetic quantum number for that atom?

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 6,there will be how many permitted orbital quantum numbers?

In an analysis relating Bohr's theory to the de Broglie wavelength of electrons,when an electron moves from the n = 1 level to the n = 3 level,the circumference for its orbit becomes 9 times greater.This occurs because:

The ground state configuration for an element is 1s22s22p63s23p1.What is the atomic number of the element?

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number is 5,there will be how many different permitted orbital quantum number(s) ?

The ground state electronic configuration for magnesium is 1s²2s²2p⁶3s².Which of the following would most likely result in an element being chemically similar to magnesium?

The ground state electronic configuration for silicon is 1s²2s²2p⁶3s²3p².Which of the following elements would be expected to be chemically similar to silicon?

The Paschen series of hydrogen corresponds to electron transitions from higher levels to n = 3.What is the longest wavelength in that series? (h = 6.63 × 10−³⁴ J⋅s.The ground state of hydrogen is at -13.6 eV. )

Which of the following transitions in hydrogen from an initial state (n_i) to a final state (n_f) results in the least energy emitted?

The ground state configuration for an element is 1s²2s²2p⁶3s²3p¹.What is the atomic number of the element?