What is the shape of a CO32- ion?

A) Trigonal pyramidal B) Bent C) Linear D) Trigonal planar E) Bent trigonal A) Trigonal pyramidal B) Bent C) Linear D) Trigonal planar E) Bent trigonal

What is the shape of a molecule of SF4?

A) Seesaw B) Trigonal bipyramidal C) Bent D) Tetrahedral E) T shaped A) Seesaw B) Trigonal bipyramidal C) Bent D) Tetrahedral E) T shaped

What is the bond order of an HCO2- ion?

A) 0 B) 1 C) 1.5 D) 2 E) 2.5 A) 0 B) 1 C) 1.5 D) 2 E) 2.5

What is the hybridization of the sulfur atom in H2S?

A) sp B) sp2 C) sp3 D) sp3d E) sp3d2 A) sp B) sp2 C) sp3 D) sp3d E) sp3d2

What is the hybridization of NO2-, given it has a bent geometry?

A) no hybridization B) sp C) sp2 D) sp3 E) sp3d A) no hybridization B) sp C) sp2 D) sp3 E) sp3d

Exam 9: Molecular Geometry and Covalent Bonding Models

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The most stable form of BrF₃ has both lone pair of electrons in the equatorial plane. In this orientation, what is the number of lone pair - base pair repulsions at 90˚?

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What is the hybridization of the central atom in OF₄?

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Compounds with the designation AX₂ will have a(n) _____ geometry.

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A single unpaired electron is counted as a lone pair in the VSEPR model.

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Question 4

In a molecule of beryllium hydride, the _____ orbitals in the Be bond with the two 1s orbitals from two hydrogen atoms.

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Question 5

An example of a compound with the designation AX₂E₂ is OF₂.

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Question 6

The bond order of a molecule increases by 0.5 for every non bonding pair of electrons present.

(True/False)

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Question 7

Explain how molecular orbitals are formed in heteronuclear diatomic molecules.

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Question 8

What is the shape of a CO₃^2- ion?

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Question 9

_____ molecular orbitals are always higher in energy than the parent atomic orbitals.

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Question 10

Which of the following species is the most unstable as predicted by the molecular orbital theory?

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Question 11

Explain the steps involved in finding the molecular geometry of a compound using the VSEPR model.

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Question 12

The σ_1s* orbital is an antibonding molecular orbital.

(True/False)

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Question 13

What is the shape of a molecule of SF₄?

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Question 14

The electron density in the σ₁_s* molecular orbital is the greatest between two positively charged nuclei.

(True/False)

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Question 15

A sulfur tetrafluoride atom has the AX_mE_n notation AX₄E.

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Question 16

What is the bond order of an HCO₂^- ion?

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Question 17

What is the hybridization of the sulfur atom in H₂S?

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Question 18

What is the hybridization of NO₂^-, given it has a bent geometry?

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Question 19

Which of the following molecular orbitals formed from ns and np atomic orbitals has the lowest energy?

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Question 20

Showing 1 - 20 of 89

Exam 9: Molecular Geometry and Covalent Bonding Models

The most stable form of BrF3 has both lone pair of electrons in the equatorial plane. In this orientation, what is the number of lone pair - base pair repulsions at 90˚?

What is the hybridization of the central atom in OF4?

Compounds with the designation AX2 will have a(n) _____ geometry.

A single unpaired electron is counted as a lone pair in the VSEPR model.

In a molecule of beryllium hydride, the _____ orbitals in the Be bond with the two 1s orbitals from two hydrogen atoms.

An example of a compound with the designation AX2E2 is OF2.

The bond order of a molecule increases by 0.5 for every non bonding pair of electrons present.

Explain how molecular orbitals are formed in heteronuclear diatomic molecules.

What is the shape of a CO32- ion?

_____ molecular orbitals are always higher in energy than the parent atomic orbitals.

Which of the following species is the most unstable as predicted by the molecular orbital theory?

Explain the steps involved in finding the molecular geometry of a compound using the VSEPR model.

The σ1s* orbital is an antibonding molecular orbital.

What is the shape of a molecule of SF4?

The electron density in the σ1s* molecular orbital is the greatest between two positively charged nuclei.

A sulfur tetrafluoride atom has the AXmEn notation AX4E.

What is the bond order of an HCO2- ion?

What is the hybridization of the sulfur atom in H2S?

What is the hybridization of NO2-, given it has a bent geometry?

Which of the following molecular orbitals formed from ns and np atomic orbitals has the lowest energy?

Introduction to Chemistry

Molecules, Ions, and Chemical Formulas

Chemical Reactions

Reactions in Aqueous Solution

Energy Changes in Chemical Reactions

The Structure of Atoms

The Periodic Table and Periodic Trends

Ionic Versus Covalent Bonding

Gases

Liquids

Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Aqueous Acidbase Equilibriums

Solubility and Complexation Equilibriums

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Periodic Trends and the S-Block Elements

The P-Block Elements

The D-Block Elements

Organic Compounds

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The most stable form of BrF₃ has both lone pair of electrons in the equatorial plane. In this orientation, what is the number of lone pair - base pair repulsions at 90˚?

What is the hybridization of the central atom in OF₄?

Compounds with the designation AX₂ will have a(n) _____ geometry.

An example of a compound with the designation AX₂E₂ is OF₂.

What is the shape of a CO₃^2- ion?

The σ_1s* orbital is an antibonding molecular orbital.

What is the shape of a molecule of SF₄?

The electron density in the σ₁_s* molecular orbital is the greatest between two positively charged nuclei.

A sulfur tetrafluoride atom has the AX_mE_n notation AX₄E.

What is the bond order of an HCO₂^- ion?

What is the hybridization of the sulfur atom in H₂S?

What is the hybridization of NO₂^-, given it has a bent geometry?