Describe the orbital approximation. How is it related to the atomic electronic configuration. Describe the trends in the periodic table for size, ionization energy and electronegativity.

Q: Define the term electron domain?

A: An atom is surrounded by the electrons. It can be lone pair or the bond pair of electrons. Lone pair…

Q: Arrange Ga, As, and Br in terms of increasing  Zeff  values acting on a valence electron. Assume…

A: Zeff is the effective nuclear charge experienced by an electron in a multi electron atom. Zeff = Z -…

Q: Use the electron configurations of NO− and NO+ to predict which is likely to have the shorter bond…

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Q: Compare the radius of the atom of Germanium with its ion and explain your answer.

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Q: Why do the three possible bonding π-orbitals not have the same energy?

A: Mixing of atomic orbitals of comparable energy is defined as hybridization.

Q: Why is the electron pair such a central concept in theories of the chemical bond?

A: An electron pair also known as Lewis pair has two electrons which occupy the same molecular orbital…

Q: Write the ground state electron configurations for the Zn2+, Cu2+, Co2+, Fe3+, and Cr3+ ions. You…

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Q: Circle the species with largest ionization energy and explain your reasoning. Os, Fe*, Co, Ru

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

Q: 3. Arrange the following iso-electronic species in order of increasing ionic radius: Br –, Sr2+,…

A: Iso-electronic species are the species which are having same number of electrons but the elements…

Q: Write the electronic hamiltonian for HeH+.

A: The HeH+ molecule is formed from Helium and hydrogen. This cationic molecule has two electrons and…

Q: Write the electron configuration including the population of all partially filled subs-shells for…

A: Electronic configuration gives an arrangement of all electrons in any element in atomic orbitals.…

Q: What are electron domains?

A: Electron domain is basically the number of lone pair electrons present around the atom in its…

Q: Choose the ground state electron configuration for Cr³+. O [Ar]4s23d6 O [Ar]4s23d¹ O [Ar]3d3 O [Ar]…

A: Here first we will write electronic configuration of Cr . In this electronic configuration instead…

Q: Give the electron configuration and draw the orbital diagram for Co3+.  How many unpaired electrons…

A: The electronic configuration of a metal or its ion is the way of arranging the electrons in the…

Q: In the H atom , what is the correct order (arrangement) of energy levels

A: In the H atom the following energy order will follow...

Q: The following electronic configuration [Kr] 5s 4d 10 is Choose... Choose... paramagnetic diamagnetic…

A: Given- [Kr] 5s^2 4d^10

Q: Draw sketches illustrating the overlap between the followingorbitals on two atoms: (a) the 2s…

A: The Lewis structure does not give any idea about molecular geometry but it purposed the distribution…

Q: In your work, copy down the boxes below, and fill them in with arrows to make an orbital diagram of…

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Q: MO Diagram for Period 2 Elements from Li to N --2p 2p- 0 20 TT 2p - 25 2s 025 - Atomic orbitals -…

A: We have to draw the molecular diagram.

Q: How does the number of valence electrons vary within a group?

A: Valence electrons are the electrons present in outermost shell of an atom. The number of valence…

Q: Why do third – period elements expand their covalence above four?

A: Transfer of electrons is defined as process in which an electrons shares one or more electrons to…

Q: true or false.

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Q: Which of the following statements about electronic configurations of atoms and mononuclear ions, and…

A: Electronic configuration is defined as the arrangements of electron present in an element around…

Q: For the Li, molecule, rank order the following orbitals from lowest to highest energy: 1s, 2s, 025.…

A: According to Molecular Orbital theory, atomic Orbitals of atoms Combine to form Molecular Orbitals.…

Q: Zn and Zn2+ are both diamagnetic.

A: Diamagnetic is nothing but the fully paired electron containing orbitals ie. the oribital must have…

Q: Jse partial orbital diagrams to show how the atomic orbitals of the central atom lead to nybrid…

A: The solution is as follows:

Q: What is the Huckel π–electron energies of benzene?

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Q: State the electronic configuration in terms of the wave-mechanical model for: Oxide ion (O2-),…

A: While writing the electronic configuration of an atom or ion, the electrons are filled in increasing…

Q: What if the lone pair on the N atom occupies a p orbital  ?

A: Given statement,    If the lone pair on the N atom occupies a p orbital

Q: Define the term linear combinations of atomic orbitals?

A: Orbitals is defined as where probability of finding an electron is maximum. There are mainly four…

Q: Identify the orbital py orbital px orbital  dyz orbital  f orbital  dxy orbital

A: dxy , dyz and dzx  orbitals are in wetween the axis having 4 lobes and dx2-y2 , dz2  orbitals are…

Q: An atom Q has six valence electrons and forms a stable Q3+ ion. What is the electronic configuration…

A: The electronic configuration with fully-filled and half-filled configurations are more stable than…

Q: Which of the following requires minimum energy for electronic transition among atomic orbitals of H-…

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Q: Define the following phenomena with reference to main group compounds: (d) multicenter electron…

A: To define multicenter electron deficient bonding in main group compounds.

Q: Analytical Chemistry Explain the following concepts/items given below: (i). Molecular emission…

A: Molecular Emission Spectroscopy is an analytical technique that uses the phenomenon of emission of…

Q: Write out the ground-state electron configurations of Ru2+

A: Ruthenium (Ru) has an atomic number of 44 and thus, it contains 44 electrons in its neutral atom…

Q: What is the re orbital theory O because the O because the

A: Paramagnetism results from the presence of least one unpaired electron spin in a materail atoms or…

Q: In modern chemical theory occupied orbital is pictured to be: an

A: Occupied orbital is defined as an orbital which contains at least one electron.

Q: Condensed orbital diagram for Ru3+

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Q: when atoms each contributes an unmatched electron to the same orbital, they form what type of bond.

A: Ionic bond: The ionic bond is formed between the metal and the non-metal. The electronegativity…

Q: State what electron rule is appropriate on the situation and explain why

A: Electron rule similar to the above condition is,     Pauli's exclusion principle It states that, no…

Q: Illustrate how conjugation delocalizes electrons ?

A: Conjugation is the alternation of single and double bonds.  Conjugated system is connected p…

Q: Does SP have p orbitals?

A: In order to explain the geometry,the nature of bonds ,shapes and bond angles, concept of…

Q: a Consider the following electron configuration: (035)2(03s*)?(03p)²(n3p)^(n3p*)4 Which species, in…

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Q: Again, evaluating the plot given above. Describe ( in a few words) with respect to energy what is…

A: bond energy serves a very important purpose in describing the structure and characteristics of a…

Q: The ionization energy of CO is greater than that of NO. Explain this difference based on the…

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