Molecular Structure Passage and Quiz

What is molecular structure?

• The way atoms are arranged and connected to form substances

• The process of breaking down molecules into atoms

• The study of how substances dissolve in water

• The arrangement of molecules in liquids only

Which of the following is an example of an extended structure?

• Noble gases

• Oxygen molecules (O₂)

• Carbon in diamond

• Water molecules (H₂O)

What is a property of metals?

• Poor conductors of heat and electricity

• Dull in appearance

• Malleable (can be hammered into shapes)

• Cannot be stretched into wires

Which of the following is a characteristic of nonmetals?

• Shiny (have luster)

• Good conductors of heat and electricity

• Dull in appearance

• Ductile (can be stretched into wires)

What type of elemental structure is formed by oxygen molecules (O₂)?

• Single atoms

• Molecules

• Extended structures

• Noble gases

Which of the following is a characteristic of nonmetal gases?

• High boiling points

• Spread out to fill any space

• Conduct electricity well

• Are made of large molecules

What is a property of nonmetal solids?

• Conduct electricity well

• Are shiny and malleable

• Are usually dull

• Have high boiling points

Which of the following is true about metals?

• Metals are brittle and dull

• Metals form crystal structures

• Metals have low boiling points

• Metals are made of small molecules

What are the two main types of compounds?

• Ionic compounds and metallic compounds

• Covalent compounds and ionic compounds

• Metallic compounds and covalent compounds

• Ionic compounds and gaseous compounds

Which of the following is NOT a characteristic of nonmetal gases?

• Are often made of small molecules

• Have low boiling points

• Spread out to fill any space

• Are shiny and malleable