Podcast
Questions and Answers
What is the relationship between the energy of a photon and the frequency of radiation?
What is the relationship between the energy of a photon and the frequency of radiation?
- E = hλ
- E = -hν
- E = hν (correct)
- E = h/ν
Which paradoxes from the late 19th and early 20th centuries could not be explained by classical mechanics and electromagnetism?
Which paradoxes from the late 19th and early 20th centuries could not be explained by classical mechanics and electromagnetism?
- Photoelectric effect
- Discrete spectra of atoms
- Blackbody problem
- All of the above (correct)
In the Bohr model of the hydrogen atom, what happens when an electron moves from a higher-energy orbit to a more stable one?
In the Bohr model of the hydrogen atom, what happens when an electron moves from a higher-energy orbit to a more stable one?
- Energy is emitted in the form of a photon (correct)
- The electron absorbs energy
- The electron vanishes
- The electron moves randomly
What describes the three-dimensional position of an electron in the quantum mechanical model?
What describes the three-dimensional position of an electron in the quantum mechanical model?
Which quantum number describes the shape or type of an orbital?
Which quantum number describes the shape or type of an orbital?
What is the general relationship between the principal quantum number and the energy of an orbital?
What is the general relationship between the principal quantum number and the energy of an orbital?
'Wave-particle duality' refers to what property of light?
'Wave-particle duality' refers to what property of light?
'Orbitals with the same principal quantum number and the same l value belong to the same ______.'
'Orbitals with the same principal quantum number and the same l value belong to the same ______.'
Which term refers to the energy change associated with the addition of an electron to a gaseous atom or ion?
Which term refers to the energy change associated with the addition of an electron to a gaseous atom or ion?
What is the range of energies that electromagnetic radiation can comprise called?
What is the range of energies that electromagnetic radiation can comprise called?
Which rule states that it is impossible to exactly determine both certain conjugate dynamical properties of a particle at the same time?
Which rule states that it is impossible to exactly determine both certain conjugate dynamical properties of a particle at the same time?
What does electron configuration describe?
What does electron configuration describe?
Which term represents the Coulomb force exerted by the nucleus on an electron?
Which term represents the Coulomb force exerted by the nucleus on an electron?
In which type of orbital would you find a multilobed region of high electron density?
In which type of orbital would you find a multilobed region of high electron density?
What is the term for the state in which electrons in an atom have the lowest energy possible?
What is the term for the state in which electrons in an atom have the lowest energy possible?
Which term is used to measure the probability of locating an electron in a specific region of space?
Which term is used to measure the probability of locating an electron in a specific region of space?
Which property of quantum particles leads to the uncertainty principle?
Which property of quantum particles leads to the uncertainty principle?
What does the magnetic quantum number (ml) signify?
What does the magnetic quantum number (ml) signify?
What does the Pauli exclusion principle state?
What does the Pauli exclusion principle state?
What is the unit of frequency used to characterize electromagnetic radiation?
What is the unit of frequency used to characterize electromagnetic radiation?
What is the primary property of wave-propagated energy related to?
What is the primary property of wave-propagated energy related to?
What does the principal quantum number (n) specify in an atom?
What does the principal quantum number (n) specify in an atom?
What does the magnetic quantum number, ml, describe?
What does the magnetic quantum number, ml, describe?
Which quantum number can be equal to ±12?
Which quantum number can be equal to ±12?
According to the Pauli exclusion principle, what is not allowed for two electrons in the same atom?
According to the Pauli exclusion principle, what is not allowed for two electrons in the same atom?
Why do covalent radii mostly decrease as we move left to right across a period?
Why do covalent radii mostly decrease as we move left to right across a period?
What happens to ionization energy as we move down a group in the periodic table?
What happens to ionization energy as we move down a group in the periodic table?
Why are anionic radii generally larger than the parent atom?
Why are anionic radii generally larger than the parent atom?
In which category are elements placed when the last electron added goes into d orbitals?
In which category are elements placed when the last electron added goes into d orbitals?
Why does electron affinity become increasingly negative as we move left to right across the periodic table?
Why does electron affinity become increasingly negative as we move left to right across the periodic table?
What is the amplitude of a wave?
What is the amplitude of a wave?
What is the Aufbau principle?
What is the Aufbau principle?
What does Bohr's model of the hydrogen atom describe?
What does Bohr's model of the hydrogen atom describe?
What are core electrons in an atom?
What are core electrons in an atom?
What is a covalent radius?
What is a covalent radius?
What is a d orbital?
What is a d orbital?
What is a blackbody?
What is a blackbody?
