unit 2 nanochemistry

Recall: What is the definition of nano chemistry?

• The study of chemical reactions at the nanoscale
• The study of the behavior of bulk materials at the nanoscale
• The study of the physical properties of materials at the nanoscale
• The study of the biological properties of materials at the nanoscale

Recall: What is the size range of nanoparticles?

• 1 nm - 10 nm
• 10 nm - 100 nm
• 100 nm - 1 micrometer
• 1 micrometer - 10 micrometers

Recall: What are the size dependent properties of nanomaterials?

• Optical, electrical, mechanical and magnetic
• Thermal, optical, electrical and magnetic
• Optical, electrical, mechanical and chemical
• Thermal, optical, mechanical and chemical

Understanding: What is the difference between a nanoparticle and a nanocluster?

• Nanoparticles are single atoms or molecules, while nanoclusters are groups of atoms or molecules
• Nanoparticles are groups of atoms or molecules, while nanoclusters are single atoms or molecules
• Nanoparticles are larger than nanoclusters
• Nanoparticles and nanoclusters are the same thing

Understanding: What is the difference between a nanoparticle and a nanocluster?

• Nanoparticles are single atoms or molecules, while nanoclusters are groups of atoms or molecules
• Nanoparticles are groups of atoms or molecules, while nanoclusters are single atoms or molecules
• Nanoparticles are larger than nanoclusters
• Nanoparticles and nanoclusters are the same thing

Understanding: What is the difference between a nanorod, a nanowire and a nanotube?

• Nanorods are cylindrical in shape, while nanowires are rod-like and nanotubes are tube-like
• Nanorods are rod-like, while nanowires are cylindrical and nanotubes are tube-like
• Nanorods are tube-like, while nanowires are rod-like and nanotubes are cylindrical
• Nanorods, nanowires and nanotubes are all the same thing

Understanding: What is the difference between sol-gel and solvothermal methods of preparation of nanomaterials?

• Sol-gel method is a chemical method while solvothermal method is a physical method
• Sol-gel method is a physical method while solvothermal method is a chemical method
• Sol-gel method uses solvents while solvothermal method does not
• Sol-gel method does not use solvents while solvothermal method does