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...

10 Questions

0 Views

Elements and Compounds

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 are pure substances made up of?

A relatively few basic substances (correct)

Only one basic substance

No basic substances at all

Many different basic substances

What is formed when elements are combined together?

A compound (correct)

A mixture

A solution

A suspension

What are the basic substances that make up pure substances?

Mixtures

Molecules

Compounds

Elements (correct)

What is the characteristic of pure substances in terms of their composition?

Constant composition Signup and view all the answers

What can elements form when they are combined together?

Either elements or compounds Signup and view all the answers

What part of the atom contains nearly all the weight?

Nucleus Signup and view all the answers

Why can electrons be easily removed from their orbit?

Because they have a small mass Signup and view all the answers

What is the relation between the mass of neutrons and protons?

Neutrons have the same mass as protons Signup and view all the answers

Where are electrons typically found in an atom?

In orbit around the nucleus Signup and view all the answers

What is the main difference between the mass of electrons and protons/neutrons?

Electrons are lighter Signup and view all the answers