Chemical Bonding: Covalent vs Ionic Compounds
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Questions and Answers

Hydrogen bonding occurs between molecules with Hydrogen atoms bonded to Nitrogen, Oxygen, or Fluorine.

True

Hydrogen bonding is considered the weakest form of intermolecular force.

False

Water's high boiling point is due to the weak hydrogen forces that easily break when heated.

False

A molecule of nitrogen has 1 sigma bond and 2 pi bonds resulting from the sharing of valence electrons.

<p>False</p> Signup and view all the answers

Electronegativity is defined as the relative attraction of an atom for a shared pair of protons in a covalent bond.

<p>False</p> Signup and view all the answers

Ammonia (NH3) and silane (SiH4) both have the same bond angle of 107.3°.

<p>False</p> Signup and view all the answers

The lone pair of electrons has less repelling power compared to a bond pair of electrons.

<p>False</p> Signup and view all the answers

Hydrogen bonding involves attractions between Hydrogen atoms bonded to Sulfur, Carbon, or Phosphorus.

<p>False</p> Signup and view all the answers

Strong hydrogen forces contribute to a low boiling point in substances like water.

<p>False</p> Signup and view all the answers

Electronegativity represents the ability of an atom to attract electrons when forming a chemical bond.

<p>True</p> Signup and view all the answers

Silane (SiH4) has a lower bond angle than ammonia (NH3).

<p>False</p> Signup and view all the answers

A lone pair of electrons contributes to differences in bond angles between different molecules.

<p>True</p> Signup and view all the answers

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