Calculate the effective nuclear charge on a 5s, a 5p, and a 4d clectron in a tin atom.

Q: 16. Calculate wavelength of the photon emitted upon n=2 to n=1 electronic transition in helium…

A: Wavenumber of the photon emitted can be determined using Rydberg equation as follows,

Q: Write the COMPLETE ground state electron configuration for Cd³*. State whether it is paramagnetic or…

A: Paramagnetic and diamagnetic compounds Atoms with unpaired electrons are called paramagnetic…

Q: The electronic structure of one-dimensional chain of sodium (Na) atoms can be approximately…

A: Given: Radius of sodium atom = 0.360 nm Schrodinger equation for 1 dimensional box is given by E =…

Q: Write the subshell electron configuration (i.e.1s² 2s², etc.) for the Co27 atom and then identify…

A: n = principal quantum number, it's value is 0,1,2,3... l = azimuthal quantum number, it ranges from…

Q: paramagnetic or diamagnetic? Explain briefly.

A: We have to explain about paramagnetic or diamagnetic

Q: Determine the ionization energy of phosphorus using the orbital approximation and a Zeff for the 3s…

A: Ionization energy defined as the amount of energy that an isolated gaseous atom in the ground state…

Q: Using photoelectron spectroscopy, the ionization energy of the least tightly bound valence electron…

A: Given :  Phosphorus element.  Ionization energy between nucleus and least tightly bonded valance…

Q: Using the slaters rule, determine z for 3p electrons in P, S,Cl,and Ar. Is the calculated value of x…

A: Slater's Rule The basic idea underlying Slater's Rule is that an electron's actual charge is equal…

Q: The magnetic moment quantum number (me) is calculated from the angular momentum (8) quantum number.…

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Q: Balmer observed a hydrogen violet emission line from n=6 to n=2, but not for transition from n=7 to…

A: The wave length of the emission from n=6 to n=2 is calculated as

Q: Calculate the effective nuclear charge on a 7s, a 5f, and a 6d electron in a uranium atom.

A: Effective nuclear charge: It is the nuclear charge minus the shielding (or screening) factor σ…

Q: How many unpaired electrons would you expect for manganese in KMnO4? Is this a paramagnetic or…

A: Diamagnetic:  When atoms or ions with all electrons are paired their magnetic field effectively…

Q: Using Slater's rules, calculate the effective nuclear charge on a 3d electron of Zn atom? ( atomic…

A: Slater's Rules: Step 1: write the electron configuration of atom in the form: (1 s) (2s, 2p) (3s,…

Q: There are [a] unpaired d electrons in Ni3+ (Z = 28).

A: Given :- symbol of ion = Ni3+  To determine :- no. of unpaired d electrons in Ni3+

Q: NickelUse Slater’s rules to calculate the shielding constant and effective nuclear charge of a 3d…

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Q: Explains the writing method that allows you to complete the configuration phosphorus electron (Z =…

A: The atomic number of Phosphorous 15.  As the atom is neutral, so it has 15 electrons only.

Q: Why is the electronic configuration of the yttrium atom [Kr]4d15s2 and that of the silver atom…

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Q: Sketch the shape of the subshell with the quantum numbers n=4, l=2 Identify the highest obrbital…

A: Principal quantum number: The principal quantum number talks about the state of an electron. It even…

Q: Write the valence shell electronic confi guration for the elements in periods 4, 5, and 6 of group…

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Q: If Zeff for the Na 3s orbital is 2.51, while for the Mg 3s orbital it is 3.31, by what ratio do you…

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Q: Which one of the following is not a valid value for the magnetic quantum number of an electrop in a…

A: Given :-  5d-subshell  To identify :-  invalid magnetic quantum number for 5d-subshell

Q: What are the possible values of the total spin quantum numbers S and MS for the Ni2+ ion?

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Q: Q. Arrange the following in their increasing size with the help of slater’s rule and also give…

A: Slater's rule is used to calculate the shielding constant and effective nuclear charge on the…

Q: 9. The direction of the spin of an electron is counter clockwise. What is its spin quantum number…

A: Answers are below:

Q: An unknown electronic transition in the H atom begins from n =3 and it has an energy of +129.6…

A: Provided energy for transition (∆E)=+129.6kJ/mol Initially ni =3 Finally after transition  let n= nf…

Q: The valence electron in potassium has a 4s ground state. Calculate the approximate energy of the n =…

A: The state that has smallest Zeff is the one which occupies the several time outside the shells and…

Q: What is the energy difference between the 3s and 3p orbital in sodium?

A: while filling the electron , we follow (n+l) rule, for orbital which has more (n+l) value is placed…

Q: Consider the Balmer series discussed in the book (and Prof. Scherer's lecture notes), where the…

A: The frequency of Balmer series is given as: ν=14-1n2×(3.29×1015) s-1

Q: Fill in the orbital energy diagram for nickel. 3d 4s 3p E 3s AV AV AV 2p 2s 1s The lowest E levels…

A: The filling of atomic orbitals depends on certain factors-   (1) Aufbau principle- filling of…

Q: How many times larger is the spacing between the energy levels with n = 3 and n = 4 than the spacing…

A: ∆E = Rz2[1n12-1n22]Where,R = Rydberg's Constant    = 1.097×107m-1z = Atomic no. of atomn1 = Initial…

Q: The hot glowing gases around the Sun, the corona, can reachmillions of degrees Celsius, high enough…

A: Given- Fe having atomic number 26 means having 26 electrons with electronic configuration-…

Q: For which atomic orbital does n = 3 and { = 1?

A: Each electron in an atom has a specific set of quantum numbers. They are principal quantum number…

Q: Discuss angular part of the wave function particularly Y20, also discuss atomic orbitals when n=3,…

A: The angular part of the wavefunction , gives distinctive shape to the orbital. For hydrogen atom,…

Q: What is the difference between the energies of the 2s and 2p  atomic orbital of a He+ ion.

A: The average distance between states. depends on the reciprocal of Z. In this case Z = 2, and it…

Q: 2. Give the four quantum numbers (n, I, mi, ms) for the a. for a Zn2* ion b. a spin down electron in…

A: Since you have posted a question with multiple subparts, we will answer only first three subparts…

Q: Write the general electron configuration of a transition ele-ment (a) in Period 5; (b) in Period 6.

A: General electronic configuration of a transition element (a) in Period 5; (b) in Period 6 has to be…

Q: Explain the trends in effective nuclear charge (Zeff) across the second row (Li through Ne). Your…

A: Effective nuclear charge can be defined as the nuclear charge experienced by an electron considering…

Q: At first glance, we expect the Zeff of a valence electron of sodium (Z = 11) to be 1 but in reality,…

A: In the case of sodium (Na) atom, a valence electron is present in 3s-orbital and the total number of…

Q: A Si 13+ ion is originally in the n=9 excited state. How much energy would it take to fully ionize…

A: Ionisation energy is defined as amount of energy required to remove electron from outermost shell.

Q: 5. Discuss the origin of the hyperfine structure. What are the assumptions made for the nucleus?…

A: Answer - Hyperfine structure  - In spectroscopy, the splitting of a spectral line into a number of…

Q: Rank the effective nuclear charge Z experienced by a valence electron in each of these atoms:

A: Zeff increases on going left to right in a period.

Q: Subparts XeOF4, SF6

A: Lewis structure represents the systematic arrangement of atoms around the central atom. Electrons in…

Q: How many unpaired d-electrons could Re(CO)5 have? Which is more reasonable? Why?

A: The coordinate complex is formed by the formation of a coordinate bond between a metal ion and the…

Q: 3. Determine the element whose outermost valence electron is represented by the following quantum…

A: As ml = 0, subshell for p is pz and for d is dz2 . One possible value for ms is given which means…

Q: For which atomic orbital does n = 3 and l = 1?

A: Given data n = 3 l = 1 Here n = principal quantum number and l = Angular momentum Quantum number

Q: What is the wavelength of the electromagnetic radiation emitted from a hydrogen atom when the…

A: To solve this problem we will use the Rydberg's equation .

Q: Photoelectron spectra were acquired from a sample ofgaseous N2 using He(I) light with energy 21.22…

A: