Podcast
Questions and Answers
What is the purpose of a spectroscope?
What is the purpose of a spectroscope?
- To supply electricity to an atom
- To identify a particular gas (correct)
- To measure the energy levels of an atom
- To produce a continuous spectrum
What type of spectrum is produced when an excited electron falls back to a lower energy level?
What type of spectrum is produced when an excited electron falls back to a lower energy level?
- Continuous spectrum
- Emission spectrum (correct)
- Line spectrum
- Absorption spectrum
What is the difference between energy levels E2 and E1, according to Niels Bohr's theory?
What is the difference between energy levels E2 and E1, according to Niels Bohr's theory?
- E2 × E1 = hf
- E2 / E1 = hf
- E2 + E1 = hf
- E2 - E1 = hf (correct)
What is the purpose of an Atomic Absorption Spectrometer?
What is the purpose of an Atomic Absorption Spectrometer?
What is the name of the series when an excited electron falls back to n=2?
What is the name of the series when an excited electron falls back to n=2?
What is the effect of supplying heat to an atom?
What is the effect of supplying heat to an atom?
What is the symbol for Planck's constant in the equation E2 - E1 = hf?
What is the symbol for Planck's constant in the equation E2 - E1 = hf?
What colour flame does lithium produce in a flame test?
What colour flame does lithium produce in a flame test?
What is the main limitation of the Bohr theory?
What is the main limitation of the Bohr theory?
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 principle that states electrons will occupy the lowest sublevel available?
What is the principle that states electrons will occupy the lowest sublevel available?
What is the term for the region of definite energy within an atom that electrons can occupy?
What is the term for the region of definite energy within an atom that electrons can occupy?
What is the principle that states it is not possible to determine the exact position and velocity of an electron at the same time?
What is the principle that states it is not possible to determine the exact position and velocity of an electron at the same time?
What is the group of atomic orbitals all of the same energy?
What is the group of atomic orbitals all of the same energy?
What is the main limitation of the Bohr theory in terms of electron properties?
What is the main limitation of the Bohr theory in terms of electron properties?