Podcast
Questions and Answers
What is the definition of an energy level in an atom?
What is the definition of an energy level in an atom?
- A region of infinite energy within an atom that electrons can occupy
- A region of definite energy within an atom that electrons can occupy (correct)
- A region of definite energy within an atom that electrons cannot occupy
- A region of zero energy within an atom that electrons cannot occupy
What is the purpose of a spectroscope?
What is the purpose of a spectroscope?
- To show the characteristic line spectrum of a mixture
- To show the characteristic line spectrum of an element (correct)
- To show the characteristic line spectrum of a solution
- To show the characteristic line spectrum of a compound
What type of spectrum shows dark lines at specific wavelengths depending on the elements present?
What type of spectrum shows dark lines at specific wavelengths depending on the elements present?
- Continuous Spectrum
- Absorption Spectrum (correct)
- Transmission Spectrum
- Emission Spectrum
According to Niels Bohr's theory, what happens when an electron moves from a higher energy level to a lower energy level?
According to Niels Bohr's theory, what happens when an electron moves from a higher energy level to a lower energy level?
What is the formula to calculate the difference in energy levels?
What is the formula to calculate the difference in energy levels?
What series is associated with excited electrons falling back to n=2?
What series is associated with excited electrons falling back to n=2?
What is used to measure the presence and amount of an element?
What is used to measure the presence and amount of an element?
What colour flame is produced when barium is burned in a flame test?
What colour flame is produced when barium is burned in a flame test?
What is the primary limitation of the Bohr theory?
What is the primary limitation of the Bohr theory?
What is the Heisenberg uncertainty principle?
What is the Heisenberg uncertainty principle?
What is the region around the nucleus where the probability of finding an electron is relatively high?
What is the region around the nucleus where the probability of finding an electron is relatively high?
What is the Aufbau principle?
What is the Aufbau principle?
What are energy levels?
What are energy levels?
What is an energy sublevel?
What is an energy sublevel?
What is the primary reason why the Bohr theory did not account for the existence of orbitals?
What is the primary reason why the Bohr theory did not account for the existence of orbitals?