How do you determine the number of electrons in the Lewisstructure of a molecule?

Q: The molecular geometry (shape) of HCN is ______________.

A: The Lewis structure or molecular skeleton is also known as electron dot structure. It is the…

Q: Draw the Lewis structures for the following compounds, identify its molecular geometry, and redraw…

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: . Indicate the electron and molecular geometry of every non-hydrogen atom in the molecules depicted…

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Q: In what situation is the name of the molecular shape the same as the name of the electron-group…

A: The situation in which the name of molecular shape and the name of the electron group arrangement…

Q: Draw the Lewis structure of the molecule. What do you predict for the bond order of the C¬S bonds?

A: Lewis structures (also known as  electron dot structures) are diagrams that represent the valence…

Q: MOLECULE NAME LEWIS STRUCTURE SHAPE HYBRIDIZATION BOND POLAR/NON # SIGMA NAME ANGLE POLAR & PI BONDS

A: Shape and hybridization can be predicted by drawing lewis dot structures as follows

Q: What are the relationships among bond order, bond energy, and bond length? Which of these…

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Q: Draw the Lewis structure for acetamide (CH3CONH2), an organic compound, and determine the geometry…

A: Acetanide Leuis structure1 Geometry around C atom → Tetrahedral sp3 hybridised2 Geometry around C…

Q: How does the energy of the bond between a given pair of atoms relate to the bond order? Why?

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Q: Given the Lewis structures, determine the number of electron domains and lone pairs. Then, name the…

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Q: How can the Bond Angles be predicted?

A: The shape of the molecule from the electron pairs which are surrounded by the central atoms of the…

Q: State and briefly explain the shapes of the following substances. NH3 and BF3

A: Hybridisation = (V+M-C+A)/2 =x  V = valence electrons of central atom  M = no. of monovalent atoms…

Q: An atom, ion or molecule which has an odd number of valence electrons is called what?

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Q: how many pi and sigma bonds are there?

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Q: Describe how you can predict the shape of a molecule around a central atom.

A: Given :  To explain the shape of a molecule around a central atom.

Q: How many sigma and pi bonds does this have?

A: Sigma bond is formed by head on overlapping of orbitals whereas pi bond is formed by lateral…

Q: What is the electronic geometry of the following molecule? :F :

A: The shape of the molecule is determined by repulsion between all of the electron pair present in the…

Q: Describe the effect of a lone pair of electrons has on the bond angles in a molecule. Give examples…

A: The effect of a lone pairs of electrons on the bond angles in a molecule could be described by VSEPR…

Q: How many lone pairs of electrons are on xenon atom in the molecule XeBr4? explain in lewis structure

A: Total valence electrons on Xe for bonding = 8 4 Br atom will share 4 electrons with Xenon and Xenon…

Q: Why is rotation about the bond axis possible for single-bonded atoms but not double-bonded atoms?

A: A single bond is a sigma bond. A double bond is a one sigma bond and one pi bond. A triple bond is…

Q: Consider the effects of bond polarity to predict the polarity of simple molecules

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Q: which of the following molecules has a net dipole moment? consider any molecule with resonance…

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Q: Draw the Lewis structure of SO₂ (by following the octet rule on all atoms) and then determine the…

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Q: How many sigma (σ) bonds and pi (π) bonds are in the following?

A: The given compounds are,

Q: Predict the molecular geometry of this molecule: H н- с - н H

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Q: What does VSEPR theory explain about bonding?

A: Solution- VSEPR stands for valance shell electron pair repulsion theory.  VSEPR theory tells about…

Q: Draw the Lewis structure of SF. and then determine its electron domain and molecular geometries.

A: The answer to the following question is-

Q: H. =c= :NEN :

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Q: Arrange the following in decreasing order of bond length and bond angle with explanation  C2H6,…

A: Bond length is the distance between the nucleus of two atoms which are bonded through covalent bonds…

Q: How do I know if a molecule is polar or nonpolar with just looking at it?

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Q: What is the Electronic Geometry of SF4?

A: Hybridization of the molecule can be calculated by determining the number of hybrid orbitals. Number…

Q: Define bond order? What does it tells .

A: Bond order is the number of bonds that are forming between two atoms. Bond order may or may not…

Q: sigma bond number

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Q: How many sigma and pi bonds are in the following molecule?

A: Carbon surrounded by 4 sigma bonds is sp3 hybridized  Carbond surrounded by 3 sigma bonds is sp2…

Q: Draw a Lewis structure for a compound with a bond order of 2 throughout the molecule.

A: Compound with bond order 2 is the compound in which atoms have double bonds between them. Lewis…

Q: A Lewis structure is a two-dimensional representation of a molecule that does not necessarily show…

A: VSEPR theory is Valence Shell Electron Pair Repulsion theory.  This theory gives the best possible…

Q: Uranium hexafluoride, UF, is an important compound used in the enrichment of uranium by gaseous…

A: we have to find total electron domains on the central atom

Q: Why are Lewis dot structures used to predict the three dimensional shape of molecules?

A: Lewis dot structures do not predict the three dimensional shape of molecules but it gives the…

Q: Given below is a Lewis structure skeleton of a molecule. Rank the C-N bonds, A, B, C, in terms of…

A: The incomplete Lewis structure of the compound given is,

Q: Transform to lewis structure

A: Solving first three subparts in accordance with guidelines.

Q: what shapes are possible for a molecule with three atoms?

A: Molecules made up of three atoms are called Triatomic Molecules. For e.g. = H2O, CO2, O3, etc.…

Q: A molecule is made of one hydrogen atom bonded to one fluorine atom. What information is necessary…

A: When the electrons of the bond go towards one atom which has higher electronegativity , then…

Q: There are ________ σ and ________ π bonds in the H - C≡C - H molecule.

A: The given molecule is H - C≡C - H.

Q: The electron geometry of the molecule

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Q: How many sigma bonds and how many pi bonds are in the structure?

A: Sigma (σ) bond is defined as the single covalent bond formed by head-on overlap of participating…

Q: How can you determine the molecular shape of the Lewis Dot Structures?

A: The Lewis structure is also known as electron dot structure. It is the complete representation of a…

Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.