Exam 36: Atoms

For the hydrogen atom in the ground state,the radial probability density is The probability of finding the electron in range $\Delta$ r = 0.08a₀ at r = 2a₀ is approximately

The energy of a photon of visible light is on the order of

The order-of-magnitude of the diameter of an atom is closest to

A hydrogen atom is in the state n = 4, = 3.The two spectral states due to spin-orbit coupling are

Which of the following atomic numbers (which are the same as the number of electrons in a neutral atom)correspond to an electronic ground-state configuration which ends in "..p³"?

The p state of an electronic configuration corresponds to

What is the difference in energy of the K _$\alpha$ X-ray lines of carbon (Z = 6)and silicon (Z = 14)?

Which of the following characteristic X-ray lines results from the least energetic transition?

For the principal quantum number n = 4,the number of values the orbital quantum number l can have is

A possible value of the orbital angular momentum of an electron in the n = 2 state is

Light of wavelength 411 nm is observed from a hydrogen discharge.What transition produces this emission? The energy of the n = 1 level is -13.6 eV.

A hydrogen atom that has an electron with an orbital angular momentum is placed in a magnetic field oriented in the z direction.The component of L in the z direction could be

For an X-ray tube to produce X rays with a wavelength as short as 0.025 nm,the electrons must be accelerated by a potential difference of

In the Bohr Model of the hydrogen atom,what is the potential energy of the electron in the n = 11 orbit? (The radius of the 1st Bohr orbit is 0.0529 nm.)

The energy of a quantum of radiation in a vacuum that has a wavelength of 447 nm is approximately

The wavelength of the visible line in the hydrogen spectrum that corresponds to m = 4 in the Balmer equation is

What is the magnitude of the change in potential energy for the electron in the hydrogen atom as it moves from the n = 2 to n = 3 orbit? (The radius of the 1st Bohr orbit is 0.0529 nm.)

The energy of the nth level in a one-electron atom is E_n = -13.6(Z²/n²)eV.Consider a beryllium ion with all but one of its electrons removed (a beryllium atom normally has four electrons).What is the wavelength of a photon emitted when the electron makes the transition from the third-lowest to the lowest energy state?

If you measure the angular momentum of an electron in units of ,you find that the angular momentum is quantized to the value _______ units and that its component along any direction can have only the _______ values ranging from - to + units.

The radius of the n = 1 Bohr orbit in the hydrogen atom is 0.053 nm.What is the radius of the n = 5 Bohr orbit?