Ionic Compounds and Their Properties

Ionic Compounds and Their Properties

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains how to determine the number of ions in a formula unit of potassium chloride (KCl). It describes KCl as an ionic compound formed by a metal (potassium) and a non-metal (chlorine). The video discusses the ionic charges of potassium and chloride, which result in a net charge of zero, forming the compound. When KCl is dissolved in water, it breaks into potassium ions (K+) and chloride ions (Cl-), both in aqueous form. The tutorial concludes by confirming that there are two ions in potassium chloride.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of compound is formed when a metal and a non-metal combine?

Covalent compound

Ionic compound

Metallic compound

Molecular compound

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group in the periodic table does potassium belong to, and what is its typical ionic charge?

Group 1, 1+

Group 17, 1-

Group 18, 0

Group 2, 2+

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ionic charge of the chloride ion?

1+

2+

1-

2-

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to potassium chloride when it is dissolved in water?

It forms a precipitate

It remains unchanged

It dissociates into ions

It evaporates

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many ions are present in one formula unit of potassium chloride?

Three

Two

Four

One

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