"The Fermi energy is the highest energy of all the electrons" Explain this ?
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A: This question is from bose- Einstein condensation
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Q: 8. The overall wave function of the electron in a hydrogen atom is given by 2 3 |2) = ·|2,2,1)| ↑) +…
A: Step 1:
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Q: Suppose two electrons in an atom have quantum numbers n= 7 and e = 5. (a) How many states are…
A: Given data: number of electrons = 2 quantum numbers, n=7l=5
Q: Apply the Pauli exclusion principle to determine the number of electrons that could occupy the…
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"The Fermi energy is the highest energy of all the electrons" Explain this ?
We have to explain The Fermi energy is the highest energy of all the electrons
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- 51) A photon of energy 1.24 eV is absorbed by a molecule. a) What is its wavelength in cm and the reciprocal of its wavelength in cm-1? A..........cm B..........cm-1 The molecule transitions to an energy level of 0.24 eV, and emits a photon. b) What is the energy of the emitted photon (eV)? ..........eV c) What is its wavelength in cm and the reciprocal of its wavelength in cm-1? C..........cm D..........cm-1 d) Find D-B in cm-1. ..........cm-1 The second photon of energy 1.14 eV is absorbed by the same molecule. e) What is its wavelength in cm and the reciprocal of its wavelength in cm-1? E..........cm F..........cm-1 The molecule transitions to an energy level of 0.24 eV, and emits a photon. f) What is the energy of the emitted photon (eV)? ..........eV g) What is its wavelength in cm and the reciprocal of its wavelength in cm-1? G..........cm…5 For each of the following transitions, indicate if the transition is allowed. If not allowed briefly explain why. (a) 5f Fr→ 3d ³Dsz (b) 1s 2s 2p 2Ds2→ 1s² 2s²2p³ S32 (c) 1s² 2s 2p ³p,→ 1s² 2s²2p¹ ³P₂ It is believed that the inter-nucleon force is repulsive at short range and is mediated by p and a mesons. If their range is about 0.5 fm then estimate the mass energy in MeV of these particles, stating your method. Estimate the mass density for the central part of a nucleus of 174Hf. State any approximations or assumptions. {Suppose two electrons in an atom have quantum numbers n = 3 and ℓ = 2. (a) How many states are possible for those two electrons? (Keep in mind that the electrons are indistinguishable.) (b) If the Pauli exclusion did not apply to the electrons, how many states would be possible?
- Suppose two electrons in an atom have quantum numbers n= 2 and L=1 . (a) How many states are possible for those two electrons? (Keep in mind that the electrons are indistinguishable.) (b) If the Pauli exclusion principle did not apply to the electrons, how many states would be possible?Which of the following observations is not related to the Pauli Exclusion Principle? O the electronic wave function is antisymmetric with respect to particle exchange O angular momentum is conserved in quantum mechanical systems O if two electrons are in the same orbital, they are spin-paired Ospatial orbitals can contain no more than two electrons