Y9 Polymers

What are polymers made of?

• Metal alloys

• Single atoms linked by ionic bonds

• Ionic compounds

• Identical smaller molecules known as monomers

What type of bond joins the atoms in a polymer molecule?

• Ionic bond

• Metallic bond

• Covalent bond

• Hydrogen bond

Which of the following is an example of a polymer?

• Graphite

• Graphene

• Diamond

• Poly(ethene)

What determines the melting point of polymers compared to small molecules?

• The color of the polymer

• The type of atoms in the polymer

• The strength of the intermolecular forces

• The length of the polymer chain

What is the state of polymers at room temperature?

• Solid

• Liquid

• Gas

• Plasma

What does the 'n' represent in the diagram of poly(ethene)?

• The number of covalent bonds

• The variable number indicating the length of the chain

• The fixed number of carbon atoms

• The number of monomers

Which of the following is NOT a form of carbon mentioned?

• Graphene

• Poly(ethene)

• Graphite

• Diamond

What are the intermolecular forces between polymer molecules compared to those between small molecules?

• The same

• Stronger

• Non-existent

• Weaker