The electron in a hydrogen atom falls from an excited energy level to the ground state in two steps, causing the emission of photons with wavelengths of 93.79 nm and 7503.1 nm, respectively. What is the principal quantum number of the initial excited energy level from which the electron falls?

Q: An electron in a multielectron atom is known to have the quantum number L=3 .What are its possible…

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Q: A ground-state H-atom (n = 1) first absorbs a photon with a wavelength of 95.0 nm and then emits a…

A: Initially n=1 Wavelengths for energy absorbed= 95nm Wavelength for energy emit = 434

Q: A group of scientist observe that a harmonic oscillator undergoes a transition from the ground state…

A: Step 1: Step 2: Step 3: Step 4:

Q: hydrogen atom is in its n = 5 state. Find the de Broglie wavelength of its electron.

A: Given : n = 5

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Q: Hydrogen atom has an emission series based on where an electron lands after it is excited. For n=1…

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Q: Originally, a H-atom is in an n=8 state. The (total) energy of an electron in this state is En= eV.…

A: Given :  initial state, n = 8  wavelength of emitted photon, λ = 19062 nm

Q: The Bohr model of the single-electron, many-proton ion predicts the emitted/absorbed photon…

A: Solution:

Q: What is the maximum photon wavelength that would free an electron in a hydrogen atom when it is in…

A: The energy in a hydrogen atom is given by: En=-21.8×10-19Jn2Z2 Z=1 En=-21.8×10-19n2

Q: 3. Consider an electron (m = 9.1 × 10−³¹ kg) in an infinite box of width a = 0.10 nm. (a) Calculate…

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Q: A line of the Lyman series(nf=1) of the spectrum of hydrogen has a wavelength of 95nm. What was the…

A: Wavelength of spectrum λ = 95 nm lower state nf= 1 we have to find out upper state ni

Q: A difference of 2.3 eV separates two energy levels in an atom. What is the frequency of radiation…

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Q: A Bohr-like atom has a ground state energy (n=1) of -41.4eV. An electron makes a transition from the…

A: Given:We are dealing with Bohr-like atom,Ground state energy, E1 = -41.4 eVelectron transition from,…

Q: what is the speed of the electron in the fifth quantum level of hydrogen? express your answer as a…

A: Given quantum number n=5 Use speed of electron formula for hydrogen atom

Q: How does the answer to the previous question change if instead of a single jump from state n= 6 to…

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Q: What is the energy of a Bohr hydrogen atom with a 5.18 nm diameter?

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A: Given,  Wavelength = 486nm. ninitial =? nfinal =?

Q: The emission spectrum of cesium contains two lines whose frequencies are (a) 3.45 ×× 1014 Hz and (b)…

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A: AnswerTransition from the n=3 level to the n=2 level

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Q: Consider a singly ionised helium atom whose single electron is in the ground state. Calculate the…

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Q: A hydrogen atom in its n = 4 state is ionized by absorbing a 268 nm photon. If all the excess energy…

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Q: Consider a Helium ion (Z = 2) with one electron. a. Derive the energy levels of the this ion. b.…

A: Note: As per the company policy only first 3 subparts aresolved below. please repost the question…

Q: The frequency of ana electron in a ring of radius R (e- is trapped and oscillated at the centre) is…

A: Radius =R  SI unit of radius = meter = m SI unit of frequency = second-1

Q: The radius of innermost electron orbit of a hydrogen atom is 5.3 × 10-11 m. What is the radius of…

A: Given Data: The radius of a hydrogen atom is, r1=5.3×10-11 m   The expression for the radius of nth…

Q: The figure shows a model of the energy levels of an atom. The atom is initially in state W, which is…

A: When an electron goes from lower state to higher energy state, it requires energy.  Therefore, for…

Q: b. An electron (m = 9.1 × 10-31 kg) is confined to a one-dimensional box of length 4.0 x 10-10 m.…

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Q: The smallest observed frequency for a transition between states of an electron in a one-dimensional…

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Q: hydrogen atom in its n = 8 state is ionized by absorbing a 294 nm photon. If all the excess energy…

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Q: A hydrogen atom has its electron in the n-3 state. How much energy would have to be absorbed by the…

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Q: 18. Doubly-ionized lithium (Z = 3) undergoes a transition from the n = 2 to the n =] state by…

A: Given: Doubly ionized lithium undergo transition from n = 2 to n=1  To Find: Two largest possible…

Q: Electron diffractometers help us understand the structure of matter. Material is covered in an array…

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Q: An atom initially in an energy level with -2.59 eV emits a photon that has wavelength 480 nm. What…

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Q: The hydrogen spectrum is complex. When a hydrogen atom absorbs a photon, it causes the electron to…

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