Exam 8: The Quantum Mechanical Atom

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Which configuration represents a nonexistent state?

Free
(Multiple Choice)
4.8/5
(36)
Correct Answer:
Verified

C

What is the wavelength of light emitted by a hydrogen atom when an electrons goes from n = 3 to n = 1? The value of the Rydberg constant for hydrogen is 109,678 cm-1.

Free
(Short Answer)
4.7/5
(38)
Correct Answer:
Verified

1.026 × 10-7 m

When n = 2, there are two subshells - the first is for n = 2 and l = 0, while the second is for When n = 2, there are two subshells - the first is for n = 2 and l = 0, while the second is for   and  and When n = 2, there are two subshells - the first is for n = 2 and l = 0, while the second is for   and

Free
(True/False)
4.8/5
(37)
Correct Answer:
Verified

False

Which reaction is most exothermic?

(Multiple Choice)
4.8/5
(37)

A wave in which the crests and nodes do not change position is called ________.

(Short Answer)
4.9/5
(31)

Which configuration represents an excited state configuration (that is, one which is not a ground state, yet does not violate the Pauli principle)?

(Multiple Choice)
4.8/5
(29)

How many unpaired electrons are in gold?

(Multiple Choice)
4.7/5
(36)

A possible set of quantum numbers for an electron in the partially filled subshell in a technetium atom in its ground state configuration would be A possible set of quantum numbers for an electron in the partially filled subshell in a technetium atom in its ground state configuration would be

(Short Answer)
4.8/5
(40)

What is the wavelength of electromagnetic radiation which has a frequency of 4.464 × 1014 s-1?

(Multiple Choice)
4.8/5
(33)

Calculate the wavelength, in meters, of a proton (mass = 1.673 × 10-27 kg)that is traveling at 5.30 m/s (c = 2.998 × 108 m/s).

(Short Answer)
4.8/5
(41)

Which atom in the set [Mg, Cr, N, Sn, Ba, Sn, Se] would you expect to have the smallest first ionization energy?

(Short Answer)
4.8/5
(25)

What is the energy of one photon of visible radiation with a wavelength of 464.1 nm?

(Multiple Choice)
4.8/5
(40)

Which atom in the set [O, F, Ne, Ar, Cl, K, Ga] has the largest first ionization energy?

(Short Answer)
4.9/5
(40)

The fact that the energy of paired electrons is higher than the energy of unpaired electrons leads to which of the following?

(Multiple Choice)
4.8/5
(30)

The set of 3d orbitals is populated with electrons prior to any electrons being placed in the 4s orbital.

(True/False)
4.8/5
(30)

For which process is the largest amount of energy required?

(Multiple Choice)
4.9/5
(35)

The spinning electrical charge of the electron creates its own magnetic field.

(True/False)
4.8/5
(40)

The maximum number of electrons in an atom that can have the following exact same set of quantum numbers is ________. The maximum number of electrons in an atom that can have the following exact same set of quantum numbers is ________.

(Short Answer)
4.9/5
(39)

The spin of the electron is responsible for the fourth quantum number, called the spin quantum number, ms.

(True/False)
4.9/5
(32)

In an electromagnetic wave, an oscillating charge creates an oscillating magnetic field.

(True/False)
4.9/5
(33)
Showing 1 - 20 of 219
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)