Which atom or ion has the fewest unpaired electrons in its ground state? Select one:

Q: Determine the wavelength and frequency for light with energy of 252.5 kJ/mol. ? = ___ nm v = ____…

A: We know that energy and wavelength are relataed as E = hc/n h = planks constant c = speed of light n…

Q: Potassium atoms in a flame emit light as they undergo transitions from one energy level to another…

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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: Identify the exact quantum numbers for each given configuration. 1. 4f11 2. 3d5  3. 7d10  4. 5f9

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Q: It requires 945.0 kJ/mol to break N2 molecules into atoms. Calculate the maximum wavelength of light…

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Q: Consider an electron in a hydrogen atom at energy level n = x. The wavelength of electromagnetic…

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Q: Which of the following electron configurations for the atom in its ground state is incorrect? A. Al:…

A: B is the incorrect  Cr have electronic configuration 3d54s1 because 1 electron from 4S Excited into…

Q: 1. How many unpaired electrons does an excited atom of carbon have? 2. How many unpaired electrons…

A: Electronic configuration of an element can be defined as the arrangement of electrons in orbitals of…

Q: 6.85 Which of the following species has the greatest numberof unpaired electrons: S+, S, or S−?

A: Which of the following species has the greatest number of unpaired electrons: S+, S, or S−?

Q: Which species has this ground-state electron arrangement? 1s2 2s2 2p6 3s2 3p6 4s² 3d10 O A. Ni O B.…

A: Given, Ground state electronic configuration  = 1s2 2s2 2p6 3s2 3p6 4s2 3d10

Q: IV. There is one more policy that helps the hotel run smoothly and keep customers happy. Hund's Rule…

A: A question based on structure of atoms that is to be accomplished.

Q: Energy of a photon is proportional to frequency, and proportional to wavelength. A) directly,…

A: The following relation defines the energy of a photon E=hν where ν-frequency of the photon. E-Energy…

Q: How many unpaired electrons are in the ground state electron configuration of selenium?

A: Selenium has atomic number 34  So, Se has total 34 electrons

Q: d) What are all possible values for j and J for an electron found in the 5P and 5d

A: The possible values of j  and J for an electron in 5P and 5d That means configuration is 5p1 and 5d1…

Q: Two possible electron configurationsfor an Li atom are shown here. (a) Doeseither configuration…

A: Pauli Exclusion principle states that no two electrons in an atom or molecule can have the same set…

Q: Does the wavelength of light increase or decrease as we proceed outward from the innermost band of…

A: Inner part of the rainbow is violet and outer part of the rainbow is red.

Q: Two possible electron configurationsfor an Li atom are shown here. (a) Doeseither configuration…

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Q: excitation hydrogen energy, ev 5.13 5d 4d 4f 4p -n=3 -3p 3s Q/ Why is the 3p orbital so spectral…

A: Spectral transition depends upon the selection rule.  Different selection rules for the spectra…

Q: What is the uncondensed electron configuration of Fe? Select one: O a. 1s-25 2p 3523p°4s²3d° O b. 1s…

A: Atomic number of Fe is 26. Atomic number of an element is equal to the proton numbers.  For a…

Q: Which one of the following electron configurations is incorrect ? (Ar:18 Kr:36) O 20Ca 1s 2s 2p 3…

A: The electronic configuration of Mn (25)  is 1s22s22p63s23p64s23d5 it can also be written as [Ar]…

Q: Which of these electron configurations are for atoms in the excited state? Select all that apply. A)…

A: The ground state electronic configuration is obtained when electrons are filled from the lowest…

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

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Q: find the permitted values of j for a d electron?

A: Total angular momentum that is represented by the symbol J is dependent on the orbital angular…

Q: An atom of aluminum has two electrons in the 3s state and one electron in the 3d stat outside its…

A: The Atomic number of aluminium is 13.

Q: For an atom of 9F, write its: Full electron configuration: 1s2_____ Write four quantum numbers n,…

A: There are four sets of quantum numbers :-  n (principal quantum number) l (azimuthal quantum number)…

Q: The spectra of hydrogen and of calcium are as shown What causes the lines in these spectra? Why are…

A: Spectroscopy is a method which is used to study the interaction between radiation and substance. The…

Q: 00 THz frequency) illuminate two metal surfaces, A nd B. Electrons with kinetic energy, 0.65 ×1019…

A: When a Photon of energy E strikes the metal surface and it's energy is greater than the threshold…

Q: An electron in 3s orbital has a greater penetration through inner shells than an electron in a 3p…

A: 1) Penetration describes the ability of an electron in a given subshell to penetrate within other…

Q: Which energy level (E) transition would result in the emission of a photon with the longest…

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Q: Write the answer to the following questions on the blanks provided. How many valence electrons are…

A: Sulfur has 6 valence eelectrons.   Ground state electronic configuration of Ti –  –  1s2 2s2 2p6…

Q: Following successive ionization energies (IE in kJ/mol) are for which atom?    IE1 = 787        IE2…

A: The given ionization energies are; IE1 = 787 IE2 = 1577      IE3 = 3232      IE4 = 4356      IE5 =…

Q: Consider an atom of hydrogen that absorbs light of a wavelength 384.0 nm. What is the energy, in…

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Q: 1. How many unpaired electrons are in the oxygen atom? A. Paramagnetic B. Diamagnetic This atom is A…

A: 1. The electron configuration of oxygen is 1s^22s^22p^4. The maximum number of electrons  in the…

Q: Why 3D orbital is possible but 3f is not posssible? Explain it.

A: Orbitals are the space around the nucleus where there is a high probability to find an electron. The…

Q: Copper is one of the elements in the periodic table that exhibits an anomalous electron…

A: Effective Nuclear charge is given by,     Zeff=Z-SWhere,   Zeff=Effective nuclear charge…

Q: Based on your answer to Question 2, provide a possible set of four quantum numbers to describe the…

A: Quantum number describes about the full information about an electron.It tells about shell, orbital…

Q: A photon with a wavelength of 102.6 nm is emitted from a hydrogen atom as excited electron falls to…

A: We can find the answer by Rydberg formula which gives the relationship between wavelength or wave…

Q: 1.45 (a) Sketch the shape of the boundary surfaces corresponding 1s- 2p-, and 3d-orbitals. (b) What…

A: Hello ! Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the…

Q: (Q1). Out of these atoms (S,N,Mn, Ni) determine which one has the most unpaired electrons in its…

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Q: Q/ In a lecture demonstration, various ionic salts produced the different flame colors shown in the…

A: Wavelength is defined as the distance between two crests and two troughs. It is represented by…

Q: Two possible electron configurationsfor an Li atom are shown here. (a) Doeseither configuration…

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Q: Devise a table similar to that shown for atoms containing 11 through 19 electrons. Use Hund’s rule…

A: Hund's rule While filling different orbitals of a subshell, the electrons prefer to remain unpaired…

Q: (a) (i) Draw a pz orbital and a d?-y orbital. (ii) What are the differences between a 5pz orbital…

A: An orbital is a wave function, and there is a maximum probability of finding an electron. The nodal…

Q: The energy for one state of the Li2+ ion is -2.18*10^-18 J. What frequency (Hz) of light would need…

A: The difference in the two energies is computed as,

Q: Titanium metal requires a photon with a minimum energy of6.94 * 10 - 19 J to emit electrons. (a)…

A: Photon is called the packet of quanta. It is basically an elementary particle. It is basic unit 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.

Q: The speed of sound in dry air at 20 °C is 343 m/s and the lowestfrequency sound wave that the human…

A: (a) Wavelength : λ = vf = 34320  =  17.15 m   (b)  f = cλ = 3 x 10817.15 = 1.75 x 107 Hz