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Sodium Fluoride and Electrolytes Concepts

Sodium Fluoride and Electrolytes Concepts

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Sophia Harris

FREE Resource

The video explores whether sodium fluoride (NaF) is an electrolyte or a non-electrolyte. It begins by identifying NaF as an ionic compound composed of a metal and a non-metal. The video defines an electrolyte as a substance that dissolves in water to produce ions, which conduct electricity. NaF is found to be soluble in water, dissociating into sodium and fluoride ions, thus conducting electricity. Therefore, NaF is classified as a strong electrolyte. Dr. B concludes by affirming NaF's status as a strong electrolyte.

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of compound is sodium fluoride (NaF)?

Metallic compound

Ionic compound

Molecular compound

Covalent compound

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an electrolyte?

A substance that does not dissolve in water

A substance that dissolves in water and produces ions

A substance that dissolves in non-polar solvents

A substance that does not conduct electricity

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the ability to conduct electricity important for electrolytes?

It suggests the substance is a gas

It means the substance is insoluble

It shows the substance is non-reactive

It indicates the presence of ions in solution

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to sodium fluoride when it dissolves in water?

It remains as a solid

It dissociates into sodium and fluoride ions

It forms a precipitate

It evaporates

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which ion is formed from sodium in sodium fluoride?

Na-

Na+

F+

F-

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of the fluoride ion in sodium fluoride?

1-

1+

2+

2-

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is sodium fluoride considered a strong electrolyte?

It completely dissociates into ions in water

It forms a weak acid in water

It does not dissolve in water

It partially dissociates in water

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