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...

Chemistry: Naming Ions and Polyatomic Ions

10 Questions

1 Views

Chemistry: Naming Ions and Polyatomic Ions

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

How many chloride ions are present for each magnesium ion in magnesium chloride?

2 (correct)

Which of the following is an example of a polyatomic ion?

Magnesium (Mg2+)

Ammonium (NH4+) (correct)

Chloride (Cl-)

Sulphide (S2-)

In writing the chemical formula for an ionic compound, what is the correct order in which the symbols of cation and anion should be written?

Cation symbol twice followed by anion symbol

Anion symbol twice followed by cation symbol

Anion symbol first followed by cation symbol

Cation symbol first followed by anion symbol (correct)

What is the valency of potassium based on the information provided in Table 3.6?

1 Signup and view all the answers

In the compound calcium oxide, what is the ratio by mass of calcium to oxygen?

5:2 Signup and view all the answers

If a compound has a valency of 2 and combines with an ion having a valency of 1, what is the chemical formula of this compound according to the principles discussed in the text?

AB2 Signup and view all the answers

What is the main difference between a mixture and a compound?

A mixture shows the properties of the constituent substances, while a compound has new properties. Signup and view all the answers

Why do elements react to form new compounds?

To achieve a stable electron configuration Signup and view all the answers

When an element reacts with another element to form a compound, what is the significance of the valency?

Valency indicates the number of atoms of an element that can combine with one atom of another element Signup and view all the answers

What is the role of ionic compounds in the formation of polyatomic ions?

Ionic compounds stabilize polyatomic ions Signup and view all the answers