Polar vs. NonPolar (using Lewis Structures)
Authored by Chemistry Science
Chemistry
9th - 12th Grade
NGSS covered
Used 676+ times
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About
This quiz focuses on molecular polarity determination within the broader topic of chemical bonding and molecular structure, specifically targeting grades 9-12 chemistry students. The assessment requires students to analyze molecular structures and determine whether each molecule exhibits polar or nonpolar characteristics. To successfully complete these problems, students must understand electronegativity differences between atoms, molecular geometry concepts, and how the arrangement of atoms and electron pairs affects the overall distribution of charge within a molecule. Students need to apply their knowledge of Lewis structures to visualize molecular shapes, recognize symmetrical versus asymmetrical charge distributions, and understand that molecular polarity depends on both individual bond polarities and the three-dimensional arrangement of those bonds. This fundamental concept connects electron behavior, atomic properties, and molecular characteristics in a way that builds essential understanding for more advanced topics in chemistry. This quiz was created by a classroom teacher who designed it for students studying molecular polarity in grades 9-12 chemistry. The straightforward polar/nonpolar classification format makes this assessment highly versatile for multiple instructional purposes throughout a unit on chemical bonding and molecular structure. Teachers can use this quiz as a quick warmup to activate prior knowledge before diving into more complex molecular geometry topics, or as focused practice after introducing the relationship between Lewis structures and molecular polarity. The binary choice format provides immediate feedback opportunities, making it ideal for formative assessment during instruction or as homework reinforcement after classroom demonstrations with molecular models. This assessment directly supports NGSS standards HS-PS1-3, which requires students to plan and conduct investigations to gather evidence about the structure and properties of substances, and aligns with Common Core mathematical practices in reasoning abstractly as students connect two-dimensional Lewis representations to three-dimensional molecular behavior.
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the following molecule polar or nonpolar?
polar
nonpolar
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the following molecule polar or nonpolar?
polar
nonpolar
Tags
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the following molecule polar or nonpolar?
polar
nonpolar
Tags
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the following molecule polar or nonpolar?
polar
nonpolar
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the following molecule polar or nonpolar?
polar
nonpolar
Tags
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the following molecule polar or nonpolar?
polar
nonpolar
Tags
NGSS.HS-PS1-2
NGSS.HS-PS2-6
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Is the following molecule polar or nonpolar?
polar
nonpolar
Tags
NGSS.HS-PS1-1
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