Chemistry: Understanding Hydrogen Bonding
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Questions and Answers

What are intramolecular forces?

  • Forces within the nucleus of an atom
  • Forces within a molecule (correct)
  • Forces between molecules
  • Forces between atoms in different molecules

Which term describes an attractive force between atoms?

  • Covalent bonding (correct)
  • Ionic bonding
  • Intramolecular bonding
  • Hydrogen bonding

How is a molecule defined?

  • A cluster of atoms without any bonds
  • Atoms that are far apart from each other
  • A single atom with multiple bonds
  • Two or more atoms joined together via bonds (correct)

What does 'intra' mean in the term 'intramolecular forces'?

<p>Within (C)</p> Signup and view all the answers

Which concept must be understood before learning about hydrogen bonding?

<p>Intramolecular forces (D)</p> Signup and view all the answers

What type of bonds occur inside molecules?

<p>Covalent bonds (D)</p> Signup and view all the answers

'Hydrogen bonding' is a type of:

<p>Dipole-dipole interaction (C)</p> Signup and view all the answers

What is the main difference between a covalent bond and an intermolecular force?

<p>Covalent bonds involve the sharing of electrons within a molecule, while intermolecular forces occur between molecules. (C)</p> Signup and view all the answers

Which atoms are notable examples of highly electronegative atoms involved in hydrogen bonding?

<p>Oxygen and Nitrogen (D)</p> Signup and view all the answers

What type of bond is formed when two atoms of different electronegativities share electrons unequally?

<p>Polar bond (B)</p> Signup and view all the answers

What term refers to a molecule that is oppositely charged at two points?

<p>Dipole (C)</p> Signup and view all the answers

In hydrogen bonding, which molecule serves as the hydrogen bond donor?

<p>The molecule with the hydrogen atom covalently bonded to a highly electronegative atom (A)</p> Signup and view all the answers

How does a hydrogen bond form between two molecules?

<p>As a strong dipole-dipole attraction (B)</p> Signup and view all the answers

What provides surface tension that allows water striders to move across the surface of water?

<p>Hydrogen bonding (D)</p> Signup and view all the answers

Why are hydrogen bonds considered relatively weak compared to other chemical bonds?

<p>'They occur between molecules,' resulting in weaker attractions. (A)</p> Signup and view all the answers

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