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Understanding the Atoms and Molecules

In this quiz, you will get to know about atoms, molecules, and their chemical representations. You will find problems on identifying the elementary substances and compounds. We have represented all the atoms and compounds by their molecular diagram for a better understanding.

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How many Fluorine atoms are there?

2

4

1

Select the chemical formula for this molecule.

PCl

PCl3

H2PCl

Select the chemical formula for this molecule.

HS

HS2

H2S

What is the chemical formula of this molecule?

C4Cl

CCl4

CCl

Chloroform was once used for pain relief. It is no longer used because it can be dangerous for human health. The chemical formula of chloroform is CHCl3.

Complete the statement.

Chloroform is ##a compound##.

an elementary substance a compound

Select the elementary substance.

Boron trifluoride is.

A compound

An elementary substance

How many hydrogen atoms are there in one molecule of CH3FO?

3

1

2

How many hydrogen atoms are there in four molecules of CH3Br?

3

12

6
Quiz/Test Summary
Title: Understanding the Atoms and Molecules
Questions: 9
Contributed by:
Maths Magic
Book a Trial Class
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Atoms and Molecules Science Science - Grade 5 - United States