Podcast
Questions and Answers
What is the value of 4πr²ψ² at the nucleus?
What is the value of 4πr²ψ² at the nucleus?
- Constant
- Maximum (correct)
- Zero
- Minimum
What is the relationship between the de-Broglie wavelength and velocity of a particle?
What is the relationship between the de-Broglie wavelength and velocity of a particle?
- Wavelength is proportional to velocity
- Velocity is 100 times the wavelength
- Velocity is inversely proportional to wavelength
- Wavelength is 100 times the velocity (correct)
What is the frequency of radiation emitted when an electron falls from n = 4 to n = 1 in a H-atom?
What is the frequency of radiation emitted when an electron falls from n = 4 to n = 1 in a H-atom?
- 1.03 × 10¹⁵ s⁻¹
- 1.54 × 10¹⁵ s⁻¹
- 2.00 × 10¹⁵ s⁻¹
- 3.08 × 10¹⁵ s⁻¹ (correct)
What is the representation of the orbital having 3 angular nodes and n = 5?
What is the representation of the orbital having 3 angular nodes and n = 5?
Which element has its valence electron in the highest energy orbital?
Which element has its valence electron in the highest energy orbital?
Which of the following is not a permissible arrangement of electrons in an atom?
Which of the following is not a permissible arrangement of electrons in an atom?
What is the shape of the orbital with one radial node and one angular node?
What is the shape of the orbital with one radial node and one angular node?
What is the Aufbau principle in atomic physics?
What is the Aufbau principle in atomic physics?
What is the maximum number of electrons in a subshell with l = 2?
What is the maximum number of electrons in a subshell with l = 2?
What is the quantum number that determines the orientation of an orbital?
What is the quantum number that determines the orientation of an orbital?
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