what species has the same number of eletrons as Cl-

Q: If Principal quantum number n=3 and Azimuthal quantum number l=2, then the electron configuration is

A: The principal quantum number represented by the letter n which describes the energy of an electron…

Q: How many possible energy releasing electron transitions are possible for a single electron in a…

A:

Q: Identify what is wrong with each electron configuration and write the correct ground-state (or…

A: The given configurations are: a) 1s3 2s3 2p9 b) 1s2 2s2 2p6 2d4 c) 1s2 1p5 d) 1s2 2s2 2p8 3s2 3p1…

Q: What is the total number of electrons in orbitals with ml = 0 for Sr ?

A: Magnetic quantum number (ml) gives the information about the orientation of orbitals in space. Its…

Q: Which of the following statements concerning ground state electron configurations is/are CORRECT?

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Q: In the ground state of the helium atom, the electrons must have opposite spins. Why?<

A: Electronic configuration is the ground state distribution of electrons among the orbital of species.…

Q: 7.) For the hydrogen atom - consider the following transitions: 1. n = 4 to n = 3 2. n = 4 to n = 2…

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Q: Define the term spin magnetic quantum number?

A: QUANTUM NUMBERS 1-There are three quantum numbers that define an orbital:- n,l,m,s .these are…

Q: hat is the spin quantum number for the 22nd electron placed into cobalt in the ground state?

A: The atomic number of Cobalt is 27. The electronic configuration of Cobalt is 1s22s22p63s23p63d74s2.…

Q: Helium is in group 18 (VIIIB) of the periodic table with a ground state electron configuration of…

A: In the periodic table, there are 18 groups and 7 periods. The location of Helium is in group 18of…

Q: 11.Which of the following is not a valid magnetic quantum number for the 3d set of orbitals? a) 1 c)…

A:

Q: How many 5d electrons would be predicted in the ground state for the following elements? a.) hafnium…

A: Hafnium is a d block element. It’s atomic number is 72. It lies in 4th group  and 6th  period  of…

Q: Principal Azimuthal Magnetic Spin Valence electron Electron configuration (the spdf notation &…

A:

Q: What are the quantum numbers of the last electron of Arsenic? What is the most common ion of…

A: Electronic configuration refers to the systematic arrangement of electrons in the various shells and…

Q: An orbital in a ground-state gas-phase As atoms has n=3, l=1. How many electrons are in this…

A: The electronic configuration is shown below: As-1s22s22p23s23p63d104s24p3

Q: If Principal quantum number n=4 and Azimuthal quantum number l=3, then the electron configuration is…

A: The principal quantum number (n) gives the information about the size of the orbital or the shell of…

Q: What is the corresponding orbital for a 5,1,0 state? 1s 2. 5s 3. 5px 4. 5py 5. 5pz 6. 5dxy 7. 5d,

A: The structural analysis of an atom shows that it contains electrons, neutrons, and protons. Neutrons…

Q: Excited Lithium atoms radiate energy in what regions? a) infrared region only b) ultraviolet region…

A: Excited lithium atoms emit light strongly at a wavelength of 671 nm. Electromagnetic radiation…

Q: How many states belong to the electron configuration 1s2 2s² 2p 3p.

A: Given ,  State 1s2 2s2 2p 3p We have to find number  of state belong to electron configuration.

Q: what are the quantum numbers that describe the last outermost electron of platinum?

A: The electronic configuration of platinum (Z=78) is [Xe]4f145d96s1 The outermost electron of platinum…

Q: Which of the following electronic configurations correspond to a EXCIT state for H atom? * 2s1 3s1 O…

A: Introduction: The movement of a valence electron to a higher energy state is called an excited…

Q: The following electron configurations represent excited states. Identify the element and enter its…

A: Given,Excited state electron configuration is [Kr] 5s2 4d2 5p1

Q: quantum number;n=4,n=3,n=2,n=1 are involved in the transition that requires least energy and why?

A: Basic Introduction about Transition Energy In this question, given value of first four principles…

Q: An electron corresponding to which of the following orbitals /probability functions is LOWEST in…

A:

Q: A Bohr-model representation of the H atom is shown below with several electron transitions depicted…

A: The energy of H-atom during absorption and emission is given as: ∆E=-13.6 1nf2-1ni2eV When…

Q: For a hydrogen atom, which electronic transition would result in the  emission of a photon with the…

A:

Q: Write the ground-state electron configurations for the following elements: (a) V, (b) W

A: Ground-state electron configuration -  It is the arrangement of electrons around the electrons of an…

Q: For each of the electron configurations below, identify the element to which the configuration…

A: Welcome to bartleby !  Introduction : We have to tell the element name from given configuration in…

Q: A photon with a wavelength of less than 50.4nm can ionize a helium atom. What is the ionization…

A: Ionization energy/ potential is called the amount of energy required to remove an electron from an…

Q: a) What are the names of the valence shells in both ground and excited states as per the diagram? b)…

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Q: magnetic quantum number

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Q: 1s²2s²2p°3s²3p°3d 4s²4p3 Chemical symbol:

A: Given configuration--  1s2 2s2 2p6 3s2 3p6 3d9 4s2 4p5

Q: How many different principal quantum numbers can be found in the ground-state electron configuration…

A: Atomic number of Nickel = 28 Ground state electron configuration of Nickel = [Ar] 3d8 4s2

Q: An atom with 23 electrons in it's ground state is 10 The following electronic configuration [Kr] 4s…

A: Atoms with unpaired electrons are termed as paramagnetic whereas atoms with paired electrons are…

Q: Calculate the longest wavelength (nm) that can provide an energy of at least 431 kJ/mol.

A:

Q: In a sodium atom, the transition of an electron from the 4p orbital to 3s orbital emits 330 nm…

A: Every orbital has a different amount of energy related with it. If electrons want to move between…

Q: 5. What is the maximum number of electrons that can occupy the orbitals with principal qua mumber…

A:

Q: Consider a helium ion with one electron in the ground state. It turns out that it would take about…

A: Energy required to remove electron from helium ion = 28 eV

Q: The ground state energy of hydrogen atom is -13.6 eV. If an electron makes a transition from an…

A: From the question it is given that  Ground state energy of Hydrogen atom is -13.6 eV.  Transition…

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

A:

Q: Without performing any calculation, predict which of the following electronic transitions will…

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Q: Waves have energy and can transfer energy. O True O False

A: Wave is a disturbance in a medium that carries energy without net movement of particles.  There are…

Q: Which of these electron configurations are impossible?

A:

Q: Excited Beryllium atoms radiate energy in what regions? a) infrared region only b) ultraviolet…

A: CORRECT ANSWER IS OPTION ( C )

Q: State the orbital degeneracy (how many orbitals) of the levels in a hydrogen atom that have energy…

A: Please verify the values of energy given, they must have a negative sign. The energy of a hydrogen…

Q: The distance between t2g orbitals and eg* orbitals is

A: In the octahedral complex, center metal ion d-orbital split into two different energy levels three…

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.