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Chemistry: Understanding Hydrogen Bonding

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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'?

Within (C) Signup and view all the answers

Which concept must be understood before learning about hydrogen bonding?

Intramolecular forces (D) Signup and view all the answers

What type of bonds occur inside molecules?

Covalent bonds (D) Signup and view all the answers

'Hydrogen bonding' is a type of:

Dipole-dipole interaction (C) Signup and view all the answers

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

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

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

Oxygen and Nitrogen (D) Signup and view all the answers

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

Polar bond (B) Signup and view all the answers

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

Dipole (C) Signup and view all the answers

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

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

How does a hydrogen bond form between two molecules?

As a strong dipole-dipole attraction (B) Signup and view all the answers

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

Hydrogen bonding (D) Signup and view all the answers

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

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