Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

15 Questions

1 Views

Understanding Crystals

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 a crystal at a microscopic level?

A collection of molecules in the same arrangement throughout the material (correct)

A highly disordered lattice

A random collection of molecules

A mixture of atoms, molecules, and ions

What is the name of the contributing part that is repeated to form a crystal?

Atomic ensemble

Lattice unit

Molecule cluster

Unit cell (correct)

What determines the different shapes in which crystals grow?

The size of the unit cell

The color of the atoms

The type of material they are made of

The arrangement of atoms, molecules, or ions inside the unit cell (correct)

What is the primary reason for the different crystal formation shapes?

The pattern of the molecules Signup and view all the answers

What are the components inside a unit cell dependent on?

The type of crystal Signup and view all the answers

What color are Sodium (Na) atoms represented as in a 3D crystal arrangement?

Blue Signup and view all the answers

What color are Chloride (Cl) atoms represented as in a 3D crystal arrangement?

Green Signup and view all the answers

What factors affect the crystalline pattern and shape of a crystal?

The richness of the dissolved minerals, melted rock, and vapor Signup and view all the answers

Why do atoms joining in the crystal structure generally follow the shape of the crystal that has already formed?

To maintain a consistent pattern and shape Signup and view all the answers

How is mineral crystal habit defined?

By the microscopic appearance of crystals Signup and view all the answers

Which type of crystals have apparent and well-formed faces with sharp angles?

Euhedral crystals Signup and view all the answers

What mineral exhibits an octahedral habit?

Diamonds Signup and view all the answers

Which mineral does NOT have a cubic habit?

Quartz Signup and view all the answers

What is a characteristic feature of prismatic crystal habits?

Elongated prism-like crystals with opposite faces parallel to each other Signup and view all the answers

Why are non-geometrical crystals rare in their development of regular geometric forms at the surface?

Because they do not have a regular geometric shape Signup and view all the answers