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Polar vs Nonpolar Molecules

Polar vs Nonpolar Molecules

Assessment

Flashcard

Chemistry

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a polar molecule?

Back

A polar molecule is a molecule that has a net dipole moment due to the presence of polar bonds, which arise from differences in electronegativity between atoms, resulting in an uneven distribution of electron density.

2.

FLASHCARD QUESTION

Front

What is a nonpolar molecule?

Back

A nonpolar molecule is a molecule that does not have a net dipole moment, meaning the electron density is evenly distributed, often due to symmetrical arrangements of atoms or bonds.

3.

FLASHCARD QUESTION

Front

What determines the polarity of a molecule?

Back

The polarity of a molecule is determined by the difference in electronegativity between the atoms and the molecular geometry, which affects the distribution of charge.

4.

FLASHCARD QUESTION

Front

What is VSEPR theory?

Back

VSEPR (Valence Shell Electron Pair Repulsion) theory is a model used to predict the geometry of individual molecules based on the repulsion between electron pairs in the valence shell of the central atom.

5.

FLASHCARD QUESTION

Front

How does molecular shape affect polarity?

Back

The shape of a molecule affects polarity because asymmetrical shapes can lead to an uneven distribution of charge, making the molecule polar, while symmetrical shapes often result in nonpolar molecules.

6.

FLASHCARD QUESTION

Front

Example of a polar molecule?

Back

Water (H2O) is an example of a polar molecule due to its bent shape and the difference in electronegativity between hydrogen and oxygen.

7.

FLASHCARD QUESTION

Front

Example of a nonpolar molecule?

Back

Methane (CH4) is an example of a nonpolar molecule because of its symmetrical tetrahedral shape and equal sharing of electrons.

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