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Polarity of Molecules Quiz

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Questions and Answers

Which statement best defines polarity of molecules?

Unequal sharing of electrons among the atoms of a molecule. (correct)

Asymmetrical distribution of electrons among the atoms of a molecule.

Symmetrical distribution of electrons among the atoms of a molecule.

Equal sharing of electrons among the atoms of a molecule.

What is the octet rule?

Atoms tend to gain, share or transfer electrons in order to attain a stable 8 valence electron configuration. (correct)

Atoms tend to gain, share or transfer electrons in order to attain a stable 2 valence electron configuration.

Atoms tend to gain, share or transfer electrons in order to attain a stable 4 valence electron configuration.

Atoms tend to gain, share or transfer electrons in order to attain a stable 6 valence electron configuration.

What is electronegativity?

The ability of an atom to repel electrons in a bond away from itself.

The ability of an atom to share electrons equally in a bond.

The ability of an atom to draw electrons in a bond toward itself. (correct)

The ability of an atom to transfer electrons to another atom.

Which type of molecule has equal or symmetrical distribution of electrons?

Nonpolar molecule Signup and view all the answers

What causes the unequal or asymmetrical distribution of electrons in a molecule?

The dipole moment Signup and view all the answers

Which type of molecule has equal or symmetrical distribution of electrons?

Nonpolar molecule Signup and view all the answers

What is the octet rule?

Atoms tend to gain, share or transfer electrons in order to attain a stable 8 valence electron configuration. Signup and view all the answers

What is electronegativity?

The relative ability of an atom to draw electrons in a bond toward itself. Signup and view all the answers

What causes the unequal or asymmetrical distribution of electrons in a molecule?

Electronegativity Signup and view all the answers

Which statement best defines polarity of molecules?

Unequal or asymmetrical distribution of electrons among the atoms of a molecule. Signup and view all the answers

Study Notes

Molecule Polarity

Polarity of molecules is defined as a measure of the unequal sharing of electrons between atoms in a covalent bond.
The unequal sharing of electrons occurs due to the difference in electronegativity between atoms.

Electronegativity

Electronegativity is the ability of an atom to attract electrons in a covalent bond.
It is a measure of the atom's ability to pull electrons towards itself.

Octet Rule

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer energy level of eight electrons.
This rule helps in predicting the number of bonds an atom can form and the type of bonds it can form.

Distribution of Electrons

Molecules with equal or symmetrical distribution of electrons are non-polar molecules.
Molecules with unequal or asymmetrical distribution of electrons are polar molecules.
The unequal distribution of electrons occurs due to the difference in electronegativity between atoms.

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Description

Test your knowledge on the polarity of molecules with this quiz by Ms. Katherine Avante, LPT. Learn about the equal or unequal sharing of electrons among atoms in a molecule and understand the concept of polar molecules. Explore the valence electrons and their role in the formation of chemical bonds.