Why do valence shell s and p orbitals generally become further apart in energy on descending a group in the periodic table?

Q: What is the ground-state configuration of a Sc2+ ion? What levels arise from th is configu ration?…

A: Scandium is a d-block element and has the configuration as (with one electron in 3d and two in 4s)…

Q: (a) For an He+ ion, do the 2s and 2p orbitals have the sameenergy? If not, which orbital has a lower…

A: The He+2 ion has only 1 electron and its electronic configuration is 1s1. When 1 electron is added…

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

A:

Q: Why do the 4s, 4p, 4d, and 4f orbitals have the same energy in the H atom, but different energies in…

A: A neutral hydrogen atom has one proton and one electron.

Q: Other s orbitals (such as 1s, 3s, etc. orbitals) have similar (iii) spherical boundary surfaces. How…

A: Here in 3rd question we are asked that how do we differentiate between the different types of the s…

Q: The p orbital of the methyl cation, CH3+, how many electrons does it contain?

A: The p orbital of the methyl cation CH3+, how many electrons does it contain.

Q: Write the electron configuration including the population of all partially filled subs-shells for…

A: Electronic configuration gives an arrangement of all electrons in any element in atomic orbitals.…

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…

A:

Q: mde (of 7are nave atoms of lonIs with par A) d subshells B) p subshells C) s subshells D) g…

A: Answer of given questions are as follows:

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: Does the hydrogen atom “expand” or “contract” when anelectron is excited from the n = 1 state to the…

A: Atomic radius is defined as the distance between the nucleus and its outermost shell. n=1 state…

Q: Calculate the average orbital radius of a 1s electron in the hydrogen atom.

A: Radius of any orbital in a hydrogen atom having principle quantum number n can be calculated as :…

Q: Explain the significance of (a) a boundary surface and (b) the radial distribution function for…

A: a.

Q: Write the wave function of the orbital occupied by the last electron in the 47Ag atom

A:

Q: Explain the difference in energy of the electron in the 3s orbital with that in the 3d orbital for…

A: 's' subshell has degeneracy 1, it has one orbital. 'p' subshell has a degeneracy 3, all the 3…

Q: Which combinations of n and l represent real orbitals, and which do not exist? 2d

A: Given, 2d

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: To which orbitals may electrons in a 3p orbital make spectroscopic transitions in a hydrogenic atom?

A: The promotion of an electron from lower energy orbital to higher energy orbital is termed as…

Q: Why is a 3s orbital lower in energy than a 3p orbital in all atoms other than a hydrgoen atom which…

A: The energy of an electron is explained on the basis of quantum numbers such as principle quantum…

Q: The wave function of one of the d orbitals is proportional to cos θ sin θ cos ϕ. At what angles does…

A:

Q: What is the relative probability (p2 + ps.) of finding an clectron at r= 10 ao for a hydrogen atom's…

A:

Q: Why is there electron subshell overlap in the 4s and 3d orbitals?

A: 4s orbital Principal Quantum number (n) = 4 Azimuthal Quantum Number (l)= 0 n+l = 4   3d orbital…

Q: What is the difference between a Fermion and a Boson? Why is quantum computing the wave of the…

A: Fermions: A group of elementary particles with half integral value are called Fermions…

Q: How many distinct and degenerate p orbitals exist in the first electron shell (n=1)?

A: The 4 quantum numbers are  1) Principal quantum number (n) = shell number or orbit number  2)…

Q: If it is easier to remove an electron from a 2p orbital than from a 2s orbital, why is it more…

A: C=1s2 2s2 2p2 Be= 1s2 2s2 This concept we can see by IONISATION ENERGY/ IONISATION ENTHALPHY It is…

Q: How many nodal surfaces are associated with the following orbitals? a. 3s orbital nodal surface(s)…

A:

Q: Explain the origin of the spin–orbit coupling in atoms and discuss how it gives rise to different…

A: Answer - Spin–orbit coupling - Spin–orbit coupling is an effect in addition to the electron–electron…

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: What is the radius in nm of the electron orbit of a hydrogen atom for n = 2?

A: Given that .  For hydrogen atom  n = 2

Q: orbital # radial nodes #angular nodes 4d 5p 4d

A:

Q: Write the COMPLETE ground state electron configuration for Ag3+. State whether it is paramagnetic or…

A: An element's electronic structure is a symbolic notation of how electrons are scattered through…

Q: (a) What are the similarities of and differences between the1s and 2s orbitals of the hydrogen atom?…

A: (a) The similarities of 1s and 2s orbital are shape, because both orbital has spherical shape and…

Q: What are the factors that affect the orbital interaction in ar orbitals?

A: orbitals are wave function of an electron which behave as the address of an electron  The position…

Q: Locate the radial nodes of each of the 2p orbitals of a hydrogenic atom of atomic number Z.

A: Nodes are the points in space where probability of finding the electron is zero. There are two type…

Q: Evaluate the mean radius of a 3s orbital by integration.

A: To evaluate: mean radius of a 3s orbital by integration

Q: ) Which combinations ofn and I represent real orbitals, and which do not exist? d. 2d a. 1s b. 2p С.…

A: The principal quantum number, n, designates the principal electron shell. n can be any positive…

Q: A. Orbital(s) besides 2s: B. Reason why this/these atomic orbital(s) contribute to the 1o, and and…

A: The given format is,

Q: The maximum number of electrons on dx2-y2 orbital in the 5d shell is *

A:

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: Sketch the following atomic orbitals in 2 dimension.    s  px py pz

A: The area around the nucleus where the possibility of finding the electron is maximum is known as…

Q: Imagine a world in which the Pauli Exclusion principle is “No more than one electron can occupy an…

A: The question is based on the concept of atomic structure. it involves modified paulu's exclusion…

Q: which d-orbital has maximum electron density in xy-plane?

A: One of the component wave functions (dz2–y2) has lobes along the y-axis.

Q: What are the sets of quantum numbers for the following hydrogen atomic orbitals? mi Orbital 4d-2-…

A:

Q: Write in full the wave function of the orbital occupied by the last electron in the 47Ag atom

A: The atomic number of Ag(silver) is 47.The Ag belongs to the fifth period and an eleventh group of…

Q: Only orbits of certain radii, corresponding to specific energies, are permitted for the electron in…

A: Bohr model of hydrogen atom successfully explained the model of an atom.