Molecular Geometry QUIZ

Molecular Geometry QUIZ

10th Grade

25 Qs

quiz-placeholder

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Molecular Geometry QUIZ

Molecular Geometry QUIZ

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Easy

NGSS
MS-PS1-1, HS-PS1-1, HS-PS1-2

+1

Standards-aligned

Created by

Chris Mitchell

Used 2K+ times

FREE Resource

About this resource

This quiz comprehensively assesses molecular geometry concepts fundamental to high school chemistry, specifically targeting 10th grade students. The questions evaluate students' understanding of VSEPR (Valence Shell Electron Pair Repulsion) theory and their ability to predict three-dimensional molecular shapes based on electron pair arrangements. Students must demonstrate mastery of core geometric configurations including linear, bent, trigonal planar, trigonal pyramidal, and tetrahedral shapes, along with their corresponding bond angles (90°, 109.5°, 120°, and 180°). The content requires students to connect abstract electron pair theory to concrete molecular examples like water (H₂O), carbon dioxide (CO₂), methane (CH₄), and ammonia (NH₃), while understanding how lone pairs of electrons influence molecular geometry differently than bonding pairs. Created by Chris Mitchell, a Chemistry teacher in the US who teaches grade 10. This assessment serves as an excellent tool for evaluating student comprehension after instruction on molecular geometry and VSEPR theory. Teachers can deploy this quiz as a formative assessment to identify misconceptions before summative evaluation, use it as targeted practice for students struggling with three-dimensional visualization, or assign it as homework to reinforce classroom learning. The varied question formats, from direct shape identification to bond angle calculations, make it ideal for review sessions before unit exams. This quiz aligns with NGSS HS-PS1-2 standards, which require students to construct and revise explanations for the outcome of chemical reactions based on molecular structure, and supports Common Core mathematical practices through geometric reasoning and spatial visualization skills.

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Which of the following most likely represents the molecular geometry of water?

A
B
C
D

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Choose the correct shape for this molecule:

linear
Trigonal pyramidal
Bent
Tetrahedral

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Choose the correct shape for this molecule:

Bent
Linear
Tetrahedral
Trigonal pyramidal

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the geometric configuration of CO2

Bent 
Trigonal planar
Trigonal pyramidal
Linear 

Tags

NGSS.HS-PS1-1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are all the bond angles in the linear arrangement as predicted by VSEPR theory? 

90°
180°
120°
109.5°

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of pairs of electrons that do not participate in bonding? 

outer pair
unvalenced pair
lone pair
inner pair

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Choose the correct shape for this molecule:

Trigonal planar
Trigonal pyramidal
Bent
Tetrahedral

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