A wavelength of 4.653 μm is observed in a hy- drogen spectrum for a transition that ends in the nf = 5 level. What was ni for the initial level of the electron?

Q: Given the value of Rydberg constant is 107m−1, the waves number of the lest line of the Balmer…

A: We know that: λ1= R(1/n12−1/n22)

Q: In the hydrogen spectrum, the series of lines called the Balmer series results from transitions to…

A: The expression for the wavelength of the emitted or absorbed photon when an electron of an atom…

Q: A difference of 2.3 eV separates two an atom. What is the frequency of radiation emitted when the…

A: Frequency describes the number of waves that pass a fixed place in a given amount of time. Here, we…

Q: Energy 5. Which transition corresponds to the absorption of the photon with the shortest wavelength?…

A: Given that different energy level and their amount of energy

Q: How many different sets of of quantum numbers (n, l, ml, ms) are possible for an electron in the 4f…

A: The possible quantum numbers for an electron in a 4f orbital The principal quantum number (n)…

Q: A metal has a work function of 3.0 eV. If you want to release an electron from this metal, what…

A:

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: What is the wavelength (in nm) of the least energetic spectralline in the infrared series of the H…

A: Using Rydberg’s equation,

Q: The work function of a metal is is 2.04 e V. What will be the frequency of light required to eject…

A: Given Data : The work function of the metal is given as ϕ=2.04 eV1.6×10-19 J1 eV=3.264×10-19 J

Q: For the hydrogen atom, which series describes electron transitions to the N=1 orbit, the lowest…

A: Answer:  W) Lyman Series

Q: The ionization energy for the hydrogen atom is 13.6 eV. What is the energy of a photon that is…

A: solution is given by

Q: Given that a photon is absorbed when the electron makes a transition from n=2 to r level. Determine…

A:

Q: The electronic transition in Na from 3p¹ to 3s¹ gives rise toa bright yellow-orange emission at…

A: Formula of energy of photon is as follows: E=hcλ…

Q: If an atom has an electron in the n = 5 state with ml = 3 , what are the possible values of l ?

A:

Q: Q) A hydrogen atom is initially in the ground state, (i.e., n = 1 level), absorbed a photon, and as…

A:

Q: Hydrogen gas can be placed inside a strong magnetic field B=12T. The energy of 1s electron in…

A: Answer: a) In the absence of the magnetic field, the energy of the nth state of the hydrogen atom is…

Q: For the hydrogen atom, the Balmer Series is the series of line spectra produced when an election…

A: Since energy E = hc/ λ  So, longest wavelength means minimum energy  For balmer series principal…

Q: What is the longest wavelength of light that will emit electrons from a metal whose work function is…

A: ⇒The energy of a light photon needed to emit the electrons from ametal surface is given…

Q: What is the full electron configuration in the groundstate for elements with Z equal to (a) 26, (b)…

A: Electronic configuration

Q: A wavelength of 4.653 μm is observed in a hydrogenspectrum for a transition that ends in the nf = 5…

A:

Q: A sample of an element is placed in a magnetic field of B = 0.3 Tesla. What is the distance…

A: Write the expression for the Bohr magneton. Here, e represents the charge of an electron, h…

Q: A hydrogen atom is in the third excited state.To what state (give the quantum number n) should it…

A: (a)   When a hydrogen atom jumps from a state of the quantum number n’ to a state of the quantum…

Q: A wavelength of 4.653 µm is observed in a hydrogen spectrum for a transition that ends in the nf = 5…

A:

Q: A hydrogen atom is in the n = 3 state. In the Bohr model, how many electron wavelengths fit around…

A: Given that the hydrogen atom the electron is in n =3 state. Find the wavelength for electron which…

Q: Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen spectrum is:-

A:

Q: What is the energy change in eV corresponding to the transition from n=3 to n=4 of the hydrogen…

A:

Q: What is the binding energy in eV of electrons in magnesium, if the longest-wavelength photon that…

A: (given) Longest wavelength (λ) photon can eject electrons = 337 nm= 337×10-9m Kinetic energy of…

Q: Calculate the longest wavelength of the photons emitted in the Balmer series of hydrogen spectrum.…

A: Given Data: The Rydberg constant is, R=1.1×107 m-1   The expression for the Rydberg constant formula…

Q: How much energy is released if an electron drops from a Na atom's  n=5 energy level down to n=3…

A:

Q: What is the transition rate for neon atoms in a He-Ne laser if the energy drop for the 632.8 nm…

A: The transition rate is given by, Nt=PΔE Here, Nt is the transition rate,  P is the power output and…

Q: The frequency of a transition is 5.4 × 1015 Hz. What is the corresponding wavelength?

A:

Q: If an atom has an electron in the n=5 state with ml =3, what are the possible values of l ?

A: The possible values for the orbital quantum number l depend on the principle quantum no. n, where…

Q: The radius of a cadmium atom is approximately 0.16 nm. What is the ionization energy?

A: Given Data: The radius of a Cadmium atom is, r=0.16 nm   The expression for the nth ionization…

Q: The wavelength (in nm) of the visible line corresponding to n = 5 in the hydrogen visible spectra…

A:

Q: What is the smallest-wavelength line in the Balmer series? Is it in the visible part of the…

A: Formula for wavelength of Balmer series of Hydrogen atom is given as follows: 1λ=R1n1-1n2 here n1=2,…

Q: Why does the transition of Ninitial=4 to Nfinal=5 of a hydrogen atom result in the absorption of the…

A: Required : Why does the transition of Ninitial =4 to Nfinal =5 of a hydrogen atom result in the…

Q: The x-ray spectrum is for 35.0 keV electrons striking a molybdenum (Z= 42) target. If you substitute…

A:

Q: An energy of about 21 eV is required to excite an electron in a helium atom from the 1s state to the…

A: Explanation:

Q: The wavelength (in nm) of the visible line corresponding to n = 3 in the hydrogen visible spectra…

A: For the Balmar series, the final orbital where the electron jumps is always 2. We have: ni=3 nf=2

Q: What is the wavelength of the radiation absorbed when an electron move from n = 2 to n = 5 for a…

A: The energy released for the transition n=2 to n=5 is

Q: What is the energy in ev and wavelength in um of a photon that, when absorbed by a hydrogen atom,…

A:

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: