Recent Lessons

Show all results for ""

Solid Matter and Nanostructured Materials

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the characteristic of a solid matter that distinguishes it from a liquid?

It has a 3-dimensional periodic pattern
It has a viscosity of 10-2 Poise
It has a shear viscosity larger than 1014.6 Poise (correct)
It has long-range order

What is the defining feature of a perfect crystal?

It has a non-periodic atomic arrangement
It has a 5-fold symmetry
It has atoms arranged in a 3-dimensional periodic pattern (correct)
It has a quasiperiodic arrangement

What is the characteristic size of the structural elements in nanostructured materials?

Several micrometers
Several centimeters
Several millimeters
Several nanometers (correct)

What is the term for particles with sizes of several nanometers?

Nanoparticles (C) Signup and view all the answers

What is the characteristic of quasicrystalline materials?

They have a non-periodic, but ordered atomic arrangement (C) Signup and view all the answers

What is the primary feature of an amorphous material's structure?

Topological disorder with short-range order (D) Signup and view all the answers

Which type of disorder is characterized by the absence of long-range order?

Topological disorder (B) Signup and view all the answers

What is the name of the Greek term that means 'disordered' and is used to describe amorphous materials?

Amorphous (A) Signup and view all the answers

Which of the following materials is an example of an amorphous material?

Silicate glass (B) Signup and view all the answers

What is the term used to describe the disorder caused by the vibrational motion of atoms around regular lattice sites?

Disorder by vibrations (C) Signup and view all the answers

Flashcards are hidden until you start studying