As per Aufbau rule, after completing 6s orbital the electrons should enter 4f orbital. But why in case of lanthanum this doesn't happen? Why the electrons enter the 5d orbital instead of 4f?

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: Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from…

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Q: What is the n value of the last filled orbital of silver (Ag)? explain how you know

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Q: For a hydrogenic atom all orbitals in a given shell are energetically degenerate. What does this…

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Q: c) Can Auger electrons be non-core electrons?

A: Interpretation- To explain about that auger electrons be non core electrons or not .   Introduction-…

Q: Which of the quantum numbers relate(s) to the electron only?Which relate(s) to the orbital?

A: Quantum numbers tells about the electrons in atom. Every quantized system has one quantum number.

Q: Each of the following sets of quantum numbers is supposed to specify an orbital. However, each set…

A: To solve this problem first we have to know about Principal quantum number, angular momentum quantum…

Q: Which of the following is true for the assignment of certain quantum numbers for the last electron…

A: Scandium (Z=21) has 21 electroons.It's electronic configuration is [Ar]4s23d1 . The last electron…

Q: Which of the following ion(s): Ga3+, Zn2+, Ge2+, and Ca2+, can have the following orbital box…

A: Electronic Configuration is the easiest way to locate the electrons in different subshells or orbits…

Q: In a ground state atom of Ar how many electrons total will have the quantum number { = 0?

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Q: For each orbital below, provide the Quantum orbital number (L), the range of possible Magnetic…

A: Solution:- It is a method used to describe energy and position of an electron in an atom. It…

Q: There are _____possible values for ml for f orbitals

A: The value of magnetic quantum number (ml) ranges from -l to l (including 0). Here, l is azimuthal…

Q: (b) Explain why zirconium is paramagnetic, but zirconium(IV) ion is diamagnetic in the ground state.…

A: A diamagnetic molecule is defined as the molecule which does not have any unpaired electrons. A…

Q: A ground state neon atom has how many unpaired electrons?

A: Ground-State Atom: A ground-state atom is one in which the overall energy of the electrons cannot be…

Q: Write a set of quantum numbers for each of the electrons with an n of 4 in a Se atom. Explain your…

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Q: Part B Write the electron configuration for each atom on your own; then complete the sentences to…

A: Ionization energy is the energy required to remove an electron from an atom, which measures the…

Q: What is the maximum number d orbitals in a principle energy level?

A: Quantum number :-  These are like address of electrons present inside the atom  There are four…

Q: (a) The quantum number n describes the. * an atomic orbital and the quantum number e describes its…

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Q: Explain why each of the following sets of quantum numbers would not be permissible for an electron,…

A: n is principal quantum number and it's value is 1 ,2,3,4.....n  l is aqumuthal quantum number whose…

Q: Write the four quantum numbers of the 9th electron of Sodium filled according to Aufbau’s Principle.

A: Four quantum number are as follows:-  Principle quantum no. (n)  Azimuthal quantum no. (l)…

Q: Draw what an 's', 'p' and 'd' orbital looks like

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Q: se quantum numbers to designate the following:  All 5p orbitals and all valid electrons in the 2s…

A: Pauli exclusion principle states that every electron placed in any orbital will possess a different…

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

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Q: Match the quantum number with the correct description. Principle energy level 1. n Electron Magnetic…

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Q: How many orbitals are allowed in a sub shell if /=2 A) 3 (B) 5 D 7

A: Introduction :  In an atom the set of four integers defines an electron completely and atomic…

Q: xenon atom, how many electrons at most can contain the 3p orbitals?

A: For a particular 'n'  value ,  possible azimuthal quantum number (l) = (n-1)...0 Here n= 3 ,…

Q: Calculate the wavelength and predict the color of the first two lines of the Balmer series for…

A: Wave number = 1/wavelength = R(H) [1/n1^2-1/n2^2]  For first Balmer line : n1 = 2 and n2 = 3 Wave…

Q: 1. Give the n and { values for the following orbitals а. 1s b. Зр С. 5f d. 4d

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Q: Which statement about the Schrödinger equation is true?  A - The Schrödinger equation gives the…

A: The following statements are correct about Schrödinger wave equation:

Q: Show the orbital-filling diagram for N (nitrogen). Order subshells by energy, with the lowest-energy…

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Q: Which atom would be expected to have a half-filled 4s subshell?

A: The last orbital for a valence electron to go into Cr is the 4S, and the resultant energy of the 4S…

Q: Here are sketches of four electron orbitals: yes Are any of them s orbitals? no List the s orbitals,…

A: 1.No 2. There is no s orbital

Q: If there are just 4 electrons for d orbitals, which value for ml doesn't have an electron? *

A: Explanation given below.

Q: List the possible values for the quantum numbers & and m, when n = in all subshells) are in the 5th…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Please help me answer question 4,5,and 6.

A: 4.

Q: Which subshells (?, ?, ?, ?, or ?)(s, p, d, f, or g) can have electrons with the indicated magnetic…

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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: What is the next atomic orbital in the series according to the aufbau rule 1s, 2s, 2p, 3s, 3p,

A: According to Aufbau principle atomic orbitals having lowest available energy is filled first with…

Q: What is the longest wavelength a light that will eject electrons from a chromium metal

A: This is a problem from photoelectric effect. The solution here can be off two types if kinetic…

Q: The Azimuthal quantum number, l, for an s-orbital is 0 and for a p-orbital is 1. The magnetic…

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Q: The third ionization of S removes an electron from what subshell?

A: Ionization energy is defined as the amount of energy required to remove a loosely bound electron…

Q: 入N 天

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Q: What is the degeneracy of a 4d orbital? Select one: а. 4 b. 3 С. 2 d. 5

A: QUESTION-1  Anti-bonding molecular orbital is always higher in energy  and less stable as compare to…

Q: An atom with 23 electrons in it's ground state is Choose... Choose... paramagnetic diamagnetic…

A: Atom with 23 electron is vanadium. It has electronic configuration of [Ar] 4s23d3.

Q: The quantum number of an atomic orbital is 5. What are the possible values of €? What are the…

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Q: Which atom should have the larger second ionization energy: sodium or magnesium?  Why?

A: Given  Element = Sodium and Magnesium  Element Containing Highest second Ionization energy = ?

Q: Check the FOUR BOXES with a set of quantum numbers that is IMPOSSIBLE for an element to have

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