Which atom has a total of five (5) unpaired electrons in one of its sub-shells?            (A) V                            (B) Cr                           (C) Mn                          (D) Fe

Q: ionization energy

A: Ionization energy is defined as the amount of energy required in order to remove most loosely bound…

Q: Given the valence electron orbital level diagram and the de- scription, identify the element or ion.…

A:

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: The elements of the second row of f-block, as known as actinides, are considered the second inner…

A: The two rows that are placed underneath the Periodic Table are called the Lanthanide series and the…

Q: 6.83 Indicate the number of unpaired electrons present ineach of the following atoms: B, Ne, P, Sc,…

A: Electronic configuration represents the distribution of electrons in an atom.

Q: Going across the lanthanide period, there is a break in the decreasing trend of metallic radius with…

A: Metallic radii of lanthanide period gradually decreases from Lanthanum (La) to Lutetium (Lu) but…

Q: Explain why atomic radii decrease as you move from leftto right across a period.

A: Atomic radii decrease as you move from left to right across a period has to be explained below.

Q: For the following categories of elements, state the possiblenumber(s) of electrons in their…

A: The electron configuration of an element describes how electrons are distributed in its atomic…

Q: Draw the box diagrams and how many unpaired electrons are there: Rh: P:

A: please find below the box diagrams and unpaired electrons number in Rh. hence the number of…

Q: Predict the ionization energy of Li2+ given that the ionization energy of He+ is 54.36 eV.

A: The ionization energy He+ is 54.36 eV The electronic configuration of Li2+ is 1s1 The electronic…

Q: Using Slater's rules, calculate the effective nuclear charge on a 3d electron of Zn atom? ( atomic…

A: Slater's Rules: Step 1: write the electron configuration of atom in the form: (1 s) (2s, 2p) (3s,…

Q: There are [a] unpaired d electrons in Ni3+ (Z = 28).

A: Given :- symbol of ion = Ni3+  To determine :- no. of unpaired d electrons in Ni3+

Q: For Mg, P, and Cl, identify which has thea. largest atomic sizeb. highest ionization energyc.…

A: The energy is needed to remove an electron from its neutral atom is known as ionization energy.

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

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

Q: 5. Which of the following is the electron configuration of 02- ?

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

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: why iodine is dark violet in colour?

A: Visible region: The electromagnetic radiation in range of is regarded as visible region which is…

Q: Why do all atoms of an element have the same atomicnumber, although they may have different mass…

A: Atomic number is defined as the number of the protons present in an element. Mass number is the sum…

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: Given the valence electron orbital level diagram and the de- scription, identify the element or ion.…

A:

Q: A ground-state atom of manganese has unpaired electrons and is (ZMn=25)

A: Given data:  The Atomic Number of Manganese is ( Z = 25 ) The ground state of an atom represents the…

Q: write general electronic configuration of d-block and f-block elements.

A: d-block elements are called transition metals and f-block elements are called inner transition…

Q: 3. Indicate the number of unpaired electrons present in each of the following atoms: B, Ne, P, Sc,…

A: B, Ne, P, Sc, Mn , Se, Kr, Fe, Cd, I, Pb number of unpaired electrons = ?

Q: Describe how to write an electron configuration for a transition metal cation. Is the order of…

A: The electron configuration of a transition metal cation is written by removing the electrons first…

Q: What is the full electron configuration (by filling order, spdf notation) of potassium nitrate,…

A: Answer - Electron configuration - Electron configuration is the distribution of electrons of an atom…

Q: which transition metals are most likely to form anions with a charge of -1 and explain the…

A: Transition metals are the metals that have partially filled d orbitals and has the ability to form…

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 d-block elements are not regarded as transition elements?

A: A transition metal is one which has incomplete outer d-orbitals when it forms one or more stable…

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

A:

Q: Which atomic transition would release more energy in a hydrogen-like Aluminum atom (Z = 12):…

A: A question based on Rydberg equation, which is to be accomplished.

Q: On the basis of periodic trends, the larger atom of the pair, Cr or W is Cr.

A: According to the trend, on moving top to bottom in a group of periodic table, the size of atom…

Q: c. A ground state ion with a charge of – | 1 4s 4p

A:

Q: The ground state ionization energy for the one-electron ion Xm+ is 4.72 × 104 kJ/mol.Identify X and…

A: The values of m and X in the given one electron ion Xm+ has to be identified. The ground state…

Q: Consider a number of electrons trapped on a ring, as described in lectures. If there are 10…

A:

Q: When light of wavelength, 410 nm, shines on the surface of metal A and photoelectrons are emitted.…

A:

Q: Question attached

A: The angular moment of the electron is described with the help of the spin quantum number in…

Q: why d-block elements are considered as transition elements. explain

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: From the electron shell with the value n=3, what are the numbers of d orbitals?

A: We need to determine number of d orbitals with n = 3.

Q: A ground-state atom of Cr*3has. unpaired electrons and is

A: The electrons, protons, and neutrons are the basic constituents of an atom. They help in determining…

Q: There areow many unpaired d electrons in Ni3+ (Z = 28).

A: Ni have 28 electrons . After giving 3 electrons Ni3+ have 25 electrons

Q: Explain the following observations :(a) Silver atom has completely filled d-orbitals (4d10) in its…

A: (a) The noble gas core for Ag is [Kr], where atomic number of Kr is 36. So the order of filling…

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…

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Q: How many unpaired electrons has the element Selenium (Z=34) in its ground state? * 3.

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: 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: What is the total spin of copper atom in its standard electron configuration? (Chemistry)

A: In writing the electron configuration for Copper the first two electrons will go in the 1s orbital.…