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Questions and Answers
What quantum number is used to define the location of the energy level in an atom?
When an electron drops from a higher-energy orbit to a lower-energy orbit, what is emitted?
In which series do electrons correspond to dropping to n=3?
What does the angular momentum quantum number, l, describe in an atom?
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At which quantum number does the hydrogen atom not radiate energy?
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What term is used to describe that the energy levels of an electron in an atom can only be certain specific values?
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Which quantum number describes the 'shape' of space occupied by an electron?
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What type of series corresponds to electrons dropping to n=2 in a hydrogen atom?
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What happens as energy is added to an atom?
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What is more likely according to atomic orbitals concept?
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Study Notes
- Quantum Mechanical Model of the Atom describes electron energies and positions
- Electronic structure of atoms involves main energy levels, sublevels, and orbitals
- Quantum numbers are used to describe electrons in an atom
- Essential questions include topics on microwave ovens, speed of light, wave properties, and color changes with temperature
- Atoms consist of dense nuclei and surrounding electrons, with chemical behavior related to electron arrangement
- Quantum theory involves quantized energy levels labeled by principal quantum number n
- Electrons occupy three-dimensional regions called orbitals, more likely closer to the nucleus
- Niels Bohr introduced the concept of definite energy levels and orbits around the nucleus
- When an electron transitions between orbits, photons are emitted corresponding to different series
- Photoelectric effect involves emission of electrons from a metal's surface when light shines on it
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Description
Test your knowledge on the Quantum Mechanical Model of the Atom, electronic structure, and quantum numbers used to describe electrons in atoms. This quiz includes exercises to practice quantum numbers.
