Molecular Geometry & VSEPR Quiz
This online quiz is intended to give you extra practice in identifying the molecular and electron geometry of chemical compounds using VSEPR theory.
Select your preferences below and click 'Start' to give it a try!
Practice Problems
Answer the following questions and check your answers below. These problems are for practice only will not be graded.
Be sure you know how to draw correct Lewis Dot Structures and are able to correctly predict the electronic arrangement and molecular geometry before going on to the lab assignment.
Remember, formal charges can sometimes help you decide which is the best Lewis Dot Structure when there is more than one possible structure.
- Draw the best Lewis Dot Structure for each of the following species.
a) BeF 2 b) BCl 3 c) CCl 4 d) PBr 5 e) SI 6
- Give the name of the electronic arrangement and the name for the molecular geometry for each of the species in question #1.
- Draw the best Lewis Dot Structures for each of the following species.
a) BH 2 – b) NI 3 c) ClF 4 + d) SF 5 –
- Give the name of the electronic arrangement and the name for the molecular geometry for each of the species in question #3. Check Your Answers
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VSEPR Theory
9th - 12th grade.
23 questions
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- 1. Multiple Choice Edit 30 seconds 1 pt A lone pair is defined as A pair of bonding electrons One non-bonding electron A pair of non-bonding electrons A pair of electrons on the central atom
- 2. Multiple Choice Edit 30 seconds 1 pt What is the VSEPR theory used to predict? Bond Strength Polarity Molecular Shape Electronegativity
trigonal planar
tetrahedral
tetraheedral
trigonal pyramidal
What molecule could this be?
- 8. Multiple Choice Edit 30 seconds 1 pt Which shapes are altered by unshared pairs of electrons? Bent and Pyramidal Trigonal Planar and Bent Tetrahedram and Bipyramidal Pyramidal and Linear
How many unshared pairs of electrons will a bent molecule have?
- 10. Multiple Choice Edit 30 seconds 1 pt How many unshared pairs of electrons will a pyramidal molecule have? 1 2 3 4
- 15. Multiple Choice Edit 45 seconds 1 pt Three pairs of electrons are shared in a Single bond Double bond Triple bond
Identify this molecule structure
Tripostular
Trigonal Planar
Bipyramidal
Identify the molecule structure
VSEPR stands for
Valid Shell Electricity Program Remedy
Valence Shell Electron Pair Repulsion
Velocity Sustaining Electron Proton Review
Valence Shell Electricity Proximal Repulsion
- 20. Multiple Choice Edit 2 minutes 1 pt A bond where electrons are NOT shared equally? polar covalent nonpolar covalent
A bond where electrons are shared equally?
polar covalent
nonpolar covalent
- 22. Multiple Choice Edit 30 seconds 1 pt Hydrogen needs _____ electrons in its valence shell to be stable. 4 6 8 2
- 23. Multiple Choice Edit 30 seconds 1 pt According to the octet rule most elements need _______ valence electrons. 2 8 6 18
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- 3.1 VSEPR Theory
Practice Problems for VSEPR
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Molecular Geometry & VSEPR Quiz. Dark mode. This online quiz is intended to give you extra practice in identifying the molecular and electron geometry of chemical compounds using VSEPR theory. Select your preferences below and click 'Start' to give it a try! Number of problems: 1. 5. 10.
Course: AP®︎/College Chemistry > Unit 2. Lesson 7: VSEPR. VSEPR for 2 electron clouds. VSEPR for 3 electron clouds. VSEPR for 4 electron clouds. VSEPR for 5 electron clouds (part 1) VSEPR for 5 electron clouds (part 2) VSEPR for 6 electron clouds. Molecular polarity.
What molecular geometry does this show? square pyramidal. What molecular geometry does this show? square planar. What molecular geometry does this show? VSEPR memorization deck with cards on molecular geometry, electron-pair geometry, and bond angles. Learn with flashcards, games, and more — for free.
Practice Problems. Practice Problems. Answer the following questions and check your answers below. These problems are for practice only will not be graded. Be sure you know how to draw correct Lewis Dot Structures and are able to correctly predict the electronic arrangement and molecular geometry before going on to the lab assignment.
7 of 7. Quiz yourself with questions and answers for Chemistry - VSEPR Theory Quiz, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.
One non-bonding electron. A pair of non-bonding electrons. A pair of electrons on the central atom. 2. Multiple Choice. 30 seconds. 1 pt. What is the VSEPR theory used to predict? Bond Strength.
Individual Exercises. Part A: For each molecule below, (i) draw the Lewis structure with nonbonding electrons, (ii) determine the number of nonbonding lone pairs and bonding pairs on the central atom highlighted in blue, and (iii) predict the electron domain and molecular geometries using the VSEPR model. Lewis Structure.
The shape of a molecule with two bonded atoms and one lone pair or two lone pairs. linear molecule bond angle. 180 degrees. Two Atoms that are able to follow a sextet rule instead of an octet. Boron and Aluminum. VSEPR theory. Valence-shell electron-pair repulsion theory; because electron pairs repel, molecules adjust their shapes so that ...
In this lesson plan, students will examine the three-dimensional shapes and sizes of molecules through the VSEPR model by analyzing their bond angles and bond lengths. Starting with Lewis structures, students will identify the regions of electron density around a central atom and analyze the best fit molecular geometry.
Practice Problems for VSEPR. This text contains content from OpenStax Chemsitry 2e. Chemistry 2e by OpenStax is licensed under Creative Commons Attribution License v4.0. Download for free here. This adaptation has been modified and added to by Drs. Erin Sullivan, Amanda Musgrove (UCalgary) & Erika Merschrod (MUN) along with many student team ...