Why do the 4s, 4p, 4d, and 4f orbitals have the same energy in the H atom, but different energies in many-electron atoms?

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

A: He+ has only one electron. So, for a single electron system, energy depends on Principal quantum…

Q: Can a 4g orbital exist? If it can, what is its quantum number n and l ? If it cannot exist, explain…

A: Answer 1. The answer is given as follows for the following orbital is given as follows n= principle…

Q: Suppose that an atom has (i) 4, (ii) 5, electrons in different orbitals. What are the possible…

A: (i) The arrangement of four electrons in different orbitals is shown below. The total spin angular…

Q: What is the most likely radius for an electron in a 2s orbital of a hydrogen atom?

A:

Q: For each of the following pairs of hydrogen orbitals, indicate which is higher in energy: (a) 1s,…

A: In hydrogen atom, energy of orbital depends only on the principal quantum number i.e. (n)

Q: which quantum number gives the information about degenerate orbitals?

A: The number of electrons present in an atom is determined by quantum numbers. The number of…

Q: What has one electron in a 3p orbital

A:

Q: what is the orbital-angular momentum of an electron in 2s orbital?

A: The formula for orbital-angular momentum –

Q: Suppose that the spin quantum number did not exist, and therefore only one electron could occupy…

A:

Q: Which combinations of n and l represent real orbitals, and which do not exist? 4s

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

Q: what is the orbital-angular momentum of an electron in 5p orbital?

A: The orbital-angular momentum of an electron in an orbital is calculated by the formula shown below.

Q: Which of the following orbitals are not possible in an atom: 3f,4p, 5d, and 6p?

A: Which of the following orbitals are not possible in an atom ( 3f, 4p, 5d, and 6p).

Q: Which of the following is a correct set of quantum numbers for an electron in a 3d orbital?

A: Quantum numbers define the probability of an electron in an orbital. and where it can be found.

Q: How many d orbitals can exist when the principal quantum number = 2? Select one: а. 0 b. 1 O c. 5 d.…

A: According to quantum mechanics, there are four types of quantum numbers. The electrons are filled in…

Q: In a many-electron atom, can we predict unambiguously whether the 4s orbital islower or higher in…

A:

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

A: Energy of H-atom = -13.6 z2/n2  So, here the energy of the Hydrogen atom only depend on the 'n'…

Q: What is an orbital wave function and how is it a valid representation of electrons in atoms and…

A:

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

A: Given, 2d

Q: In a future hydrogen-fuel economy, the cheapest source of H₂ will certainly be water. It takes 467…

A: The energy of the photon that can be related to the frequency is furnished as follows: E=hν…

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: Describe the shape of the 4p orbitals

A: Orbital is a three dimensional around arom where probability of finding atom is maximum. The shape…

Q: What is the maximum number of orbitals that can have n=3 and ml=0? A. 4 B. 3 C. 1 D. 2 E.5

A: The values of l when the principal quantum number is n are from 0 to (n-1). The values of ml when…

Q: Which of the following orbitals are not possible in an atom: 1d,2s, 3p, and 5f ?

A: Which of the following orbitals are not possible in an atom. 1d, 2s, 3p. 5f.

Q: Which atomic orbital corresponds to this set of quantum numbers in a ground state atom of boron? (2,…

A: Set of Quantum numbers of atomic orbitals guide to determine the structure of corresponding…

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: What is the value of the orbital angular momentum quantum number for an electron in a 4f orbital

A: s we know,Angular momentum of electron in any orbital=l(l+1)​2πh​for 2s, l=0 so angular momentum of…

Q: How many sets of quantum numbers are possible for a 3p orbital? List them.

A: Four quantum numbers are n,l,m and s  n is principal quantum number l is azimuthal quantum number  m…

Q: . What experimental evidence does the periodic table provide that an electron in a 5s orbital is…

A: Rubidium with 37 electrons is the first element in the 5th period and belongs to the group of alkali…

Q: What is the maximum number of electrons that all the orbitals with a principle quantum number of 4…

A: For principle quantum number n = 4 , Maximum number of electrons = 2n2 = 2(4)2 = 32

Q: Which of the following electron configurations best describes the 2p sub-orbitals of fluorine? A ↑ ↑…

A: To solve this problem we need to write the electronic configuration of Fluorine .

Q: Which combinations of n and l represent real orbitals, and which do not exist?a. 1s b. 2p c. 4s d.…

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

Q: what are the similarities and differences between the 1s and 2s orbital of hydrogen atoms?

A: Similarity in the 1s and 2s orbital of hydrogen atoms is in its shape. Both the orbitals have…

Q: How many orbitals are described by each of the below combinations of quantum numbers? n= 3, l=1…

A: We have to calculate the number of orbitals.

Q: State which of the following orbitals cannot exist according to the quantum theory: 2s, 2d, 3p, 3f,…

A: FOR A VALUE OF n l can be from o to (n-1) for a set of orbital ,according to quantum allowed…

Q: 4. In a hydrogen atom, the 3s, 3p, and 3d orbitals are degenerate. In a multielectron atom, the 3s,…

A: Degenerate orbitals means which have same energy like as 2p or 3s have same energy according to n+l…

Q: Which combinations of n and l represent real orbitals, and which do not exist? 1s

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

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: Describe the shape of p orbitals and explain what degenerate atomic orbitals are.

A: Electrons are the negatively charged sub- atomic particles. According to quantum mechanical model of…

Q: Which of the following quantum numbers describes about orientation of orbitals? O a. Magnetic…

A: Quantum number: It is used to explain the position and energy of the electron in any atom are known…

Q: How many different possible states can an electron occupy in the n = 5, l = 4 subshell of a Hydrogen…

A: The position of an electron in the atomic orbital is defined by the quantum numbers. These quantum…

Q: Suppose that an atom has (i) 2, (ii) 3 electrons in different orbitals. What are the possible values…

A: Given information: i. An atom has 2 electrons ii. An atom has 3 electrons

Q: Why do valence shell s and p orbitals generally become further apart in energy on descending a group…

A: Answer - According to the question - Given - Valence shell s and p orbitals generally become further…

Q: Is this asking about px, py, and pz or sp, sp2, and sp3 orbitals? Is these the same thing

A: A chemical bond is formed between two molecules by overlapping of two orbitals.  If the overlapping…

Q: 8, 9, 10. According to quantum theory, explain why a 2f orbital is not an allowed quantum number.

A: According to quantum theory , orbital quantum number for f is l= 3. But for n principal quantum…

Q: For the electron shell with the value of n=3, what are the number of s orbitals?

A: We have given that  For the electron shell with the value of n=3, what are the number of s orbitals?…

Q: A hydrogen atom orbital has n=5n=5 and mℓ=−2mℓ=−2. What are the possible values of ℓℓ for this…

A: Given Principle quantum number and magnetic quantum number values of Hydrogen atom.

Q: What is the difference between a 2px and a 2py orbital?

A: Both the orbitals 2px and 2py are identical in shape, size and energy, the only difference is…