Ch.11 - Liquids, Solids & Intermolecular ForcesWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Would the following structures be polar or nonpolar? (Not applicable if the structure is an ion. Pick "ionic" in that case).NO2+SCN-CS2

Problem

Would the following structures be polar or nonpolar? (Not applicable if the structure is an ion. Pick "ionic" in that case).

NO2+

SCN-

CS2

Solution

We’re asked to determine if the structures shown are polar or nonpolar, with the distinction that if the structure is an ion, we pick the answer as “ionic”.


Remember that molecules that have unequal sharing of electrons contain a molecular polarity.

This is determined using Lewis structures.


A molecule is nonpolar:

If the central element has no lone pairs, it must be connected to the same surrounding elements.

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