3. Indicate the number of unpaired electrons present in each of the following atoms: B, Ne, P, Sc, Mn, Se, Kr, Fe, Cd, I, Pb.

Q: Which quantum number distinguishes the different shapes of the orbitals?  Any of these  N I Mi…

A: Answer is c

Q: The alloy SmCo5 forms a permanent magnet because both samarium and cobalt have unpaired electrons.…

A: The given alloy is SmCo5.  Where Sm is samarium and Co is cobalt.

Q: Which electron configuration represents a violation of the Pauli exclusion principle? A 1s 2s 2p ↑ |…

A: To solve this problem we have to know about Pauli exclusion principle .

Q: 12. Determine the number of unpaired electrons in the following atoms or ions. а. Al b. С с. d. Mg…

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

Q: Write the condensed electron configuration for the following atoms and indicate how many unpaired…

A: Condensed valence configuration: It contains two parts; core electrons (electrons in Noble gas) and…

Q: The shielding constant for He (1s)2 is 0.31. Calculate the following: 1) The energy of the 1s…

A: The energy of the electron in the nth orbit of hydrogen atom is given by: En=-13.6 eV Z2n2Z is the…

Q: 90 91 92 93 94 95 96 97 98 99 100 101 *Actinides Th Pa Np Pu Cm Bk Es Fm Md 232.0 (231) 238.0 (237)…

A: a. The third element is group 4A is germanium. b. Element number 114 is Flerovium. c. An element…

Q: An atom of chromium has ___ unpaired electrons and is ___.     3, diamagnetic     5, diamagnetic…

A: Atomic number of chromium=24Electronic configuration=Aπ 3d54s1…

Q: After writing their orbital electronic configuration, find the number of unpaired electrons present…

A: According to quantum chemistry the electronic configuration indicate the distribution of electrons…

Q: For which element is the gaining of an electron most exothermic? a) Li b) N c) F d) B

A: The one which after gaining an electron becomes more stable than it was before gaining an electron…

Q: The energy difference between the 5d and 6s sublevels in gold accounts for its color. Assuming this…

A: Given data: Energy difference between 5d and 6s = 2.7eV 1 eV = 1.602x10-19 J Planck's constant h =…

Q: 18. The number of unpaired electrons in Zr (Z=40) is: A) 1 B) 5 C) 3 D) 4 E) 2

A: The given data : The given element is Zirconium (Zr). The atomic number of the metal = 40 To…

Q: write the electron configuration of scandium (Sc=, Z=21)

A: Electrons are filled in the manner  1s2s2p3s3p4s3d But written in the manner 1s2s2p3s3p3d4s

Q: Calculate the effective nuclear charge on a 7s, 5f, and 6d electron in a uranium atom.

A: Effective nuclear charge: It is the nuclear charge minus the shielding (or screening) factor σ…

Q: 6.124 When a compound containing cesium ion is heatedin a Bunsen burner flame, photons with an…

A: Given: Energy= 4.30×10-19J To find: The color of the cesium flame

Q: In the ground state of a cobalt atom there are unpaired electrons and the atom is Select one: a. 2,…

A: The answer of the above question is given in step 2

Q: How many of the following elements have 2 unpaired electrons in the ground state? Sn Se Zr Ge…

A: From their ground state electronic configurations, we can find out the unpaired electrons

Q: arrange F,Na,Mg atoms in order of increasing atomic size and explain

A: Electron configuration of F: [He]2s2 2p5              ( second period) Na: [Ne] 3s1…

Q: Order the following elements according to increasing number of unpaired electrons in the electronic…

A:

Q: Which of the following elements has no unpaired electrons in its ground state? Cl Ca Be C O Fe…

A: (a) Electronic configuration of Cl in ground state = [Ne]  3s²   3p⁵…

Q: Identify the number of unpaired electrons. Na3[Co(NO2)6]   a. 4 b. 2 c. 0 d. 3 e. 1

A:

Q: Which of the following atoms or ions has 1 unpaired electrons? N* O Al

A:

Q: 5. Write the set of quantum numbers for the following: 5.1 It is an up-spin 4d electron with an…

A: Quantum numbers are a set of numbers used to completely describe the position and energy of an…

Q: Which of the following has two unpaired electrons? (a) Mg (b) Si (c) S (d) Both Mg and S (e)…

A:

Q: Which set of atoms below are metals that have only one electron in their outermost “s” orbitals?Zn,…

A: Zn, Cd, Hg are d block elements ,

Q: How many unpaired electrons are present in the ground state of an atom from each of the following…

A: a. In ground state 2A group, there is no unpaired electron. b. In ground state 5A group, there are…

Q: 8.5 Determine the number of unpaired electrons are there in an ion of Strontium (Sr*)

A:

Q: Indicate the total number of (a) p electrons in N (Z = 7), (b) s electrons in Si (Z = 14), and (c)…

A: Atomic number: Number of proton present in an atom is known as atomic number.   In neutral atom,…

Q: Electron Configuration and Periodic Trend Properties Suppose you were trying to find a substitute…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Without doing a calculation, would the energy for an n= 8 to n= 3 transition be greater than or less…

A: The energy liberated during the transition  from one energy level to another can be calculated using…

Q: the electron affinity of the lutetium atomwas measured using photoelectron spectroscopy. In this…

A:

Q: It takes about 8 eV to remove one electron from a silicon atom. How much energy does it take to…

A: 2nd ionization energy - The energy required to remove a second electron from a singly charged…

Q: Identify how many unpaired electrons are present in each of the following in the ground state: O,…

A:

Q: three

A: Na : [Ne] 3s1 ( half - filled orbital )  Mg : [Ne] 3s2 ( fully filled orbital )  Si : [Ne] 3s2, 3p2…

Q: Give the number of core electrons in a copper atom. A) 1 B) 27 C) 29 D) 18 E) 28

A: Core electrons are the electrons in an atom that are not valence electrons and do not participate in…

Q: 1a) The ________________ stated that each electron in an atom have unique set of quantum number.

A: Since you have posted a multiple question, we will solve first one for you. To get remaining…

Q: what is the binding energy of an electron in a photosensitive metal (in kJ/mol) if the longest…

A: The binding energy ϕ  is the energy that would have needed to be supplied by an incoming light…

Q: 5. Write the set of quantum numbers for the following a. It is an up-spin 4d electron with an…

A:

Q: How many electrons are possible in the n = 3 energy level? -- 2  8 18 32 36

A: Principle quantum number represents the shell in which an electron is present. It is represented by…

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

A: Answer:- This question is answered by using the simple concept of writing the electronic…

Q: 5. Cr has that is (are) unpaired electrons in its ground state. one electron O three electrons two…

A:

Q: 1. Write the quantum numbers for the 4th and 8th electron of Oxygen (O) atom.

A:

Q: Indicate the number of unpaired electrons present in each of the following atoms: B, Ne, P, Sc, Mn,…

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: Using the periodic table as a guide, write the condensed electronconfiguration and determine the…

A: For condensed electronic configuration, all we need is the knowledge of previous occurring noble gas…

Q: For Fe25+ ion, calculate the wavelength of the light that is emitted upon the electron's transition…

A: The wavelength of a photon emitted or absorbed by a hydrogen atom is due to the transition of its…

Q: The number of unpaired electrons in the electron configuration of a Cr atom is.

A: Atomic number of Cr = 24  Cr has total 24 electrons

Q: Which of the following has the most number of unpaired electrons? A. S* В. S С. S- D. S2- O D A B.

A: