Quiz on Properties of Nanomaterials

What is the definition of nanotechnology?

• The use of materials in everyday products

• The manipulation of materials at the macro scale

• The design and application of structures at the nanoscale

• The study of materials larger than 100 nanometers

What is a nanometer?

• One thousandth of a meter

• One billionth of a meter

• One millionth of a meter

• One hundredth of a meter

Which of the following is NOT a type of nanomaterial?

• Microspheres

• Nanocrystals

• Nanotubes

• Nanofibers

What property of nanomaterials changes significantly at the nanoscale?

• Density

• Weight

• Melting point

• Color

Which of the following is an example of a 2D nanomaterial?

• Nanocrystals

• Nanofibers

• Nanotubes

• Nanostructured films

What is the primary characteristic of 1D nanomaterials?

• They have three dimensions at the nanoscale

• They are composed of multiple materials

• They have one dimension at the nanoscale

• They have two dimensions at the nanoscale

Which of the following properties is NOT a physical property of materials?

• Density

• Melting temperature

• Electrical conductivity

• Corrosion resistance

What type of bond is characterized by shared electrons?

• Van der Waals bond

• Metallic bond

• Covalent bond

• Ionic bond

What is the effect of increasing the surface area of nanomaterials?

• Increased reactivity

• No effect on reactivity

• Decreased reactivity

• Increased weight

Which of the following is a characteristic of 3D nanomaterials?

• They are nano-scaled in all three dimensions

• They are typically nanofibers

• They exist in one dimension

• They are only found in powders