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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.
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##.
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
