Exploring Intramolecular Bonding: Covalent, Ionic, and Metallic

Why do atoms form bonds?

• To change their color

• To achieve stability

• To increase their mass

• To decrease their size

What is the main focus of this video?

• Intermolecular forces

• Physical changes

• Nuclear reactions

• Intramolecular bonds

Tags

NGSS.HS-PS1-8

What type of bond involves the sharing of electron pairs between atoms?

• Covalent bond

• Metallic bond

• Ionic bond

• Hydrogen bond

Which of the following is an example of a macromolecule?

• Water

• Sodium chloride

• Graphite

• Methane

What determines whether a covalent bond is polar or nonpolar?

• Atomic mass

• Atomic size

• Electronegativity

• Ionization energy

Which of the following substances is an example of a polar compound?

• Dinitrogen

• Hydrochloric acid

• Dioxygen

• Dihydrogen

What is ionization energy?

• Energy needed to add an electron

• Energy needed to remove an electron

• Energy needed to split an atom

• Energy needed to form a bond

What type of bond is formed between sodium and chloride in sodium chloride?

• Covalent bond

• Metallic bond

• Hydrogen bond

• Ionic bond

What is a characteristic of metallic bonds?

• Formation of dipoles

• Sharing of electron pairs

• Transfer of electrons

• Sea of electrons

Which of the following is an example of a substance with metallic bonds?

• Methane

• Sodium chloride

• Iron

• Water