Basic chemistry help for students and teachers

 

Interactive Chemistry Worksheets for Students

 

Periodic table

Naming compounds

Basic formula

Simple compounds

Ionic compounds 1

Ionic compounds 2

Chemical suffixes

Old chemical names

Hydrocarbons - Alkanes

Alkanes, alkenes & alkynes

Alkanols to alkanoic acids

 

Common compounds

Common formula quiz

Acids, bases and salts

Covalent compounds

Printable worksheets
 

 

Complete the online chemical formula covalent worksheet. Click on the link to show or hide each answer.

Chemical Formula Table - Covalent Compounds
Number
Chemical name
Elements present
Chemical formula

1.

water
hydrogen and oxygen
Answer
H2O
Answer

2.
hydrogen chloride
Answer

hydrogen and chlorine
HCl
Answer

3.
carbon monoxide
Answer
carbon and oxygen
Answer

CO

4.

sulfur trioxide
sulfur and oxygen
Answer
SO3
Answer

5.
hydrogen bromide
Answer

hydrogen and bromine
HBr
Answer

6.
nitrogen monoxide
Answer
nitrogen and oxygen
Answer

NO

7.

dinitrogen tetroxide
nitrogen and oxygen
Answer
N2O4
Answer

8.
hydrogen iodide
Answer

hydrogen and iodine
HI
Answer

9.
sulfur hexafluoride
Answer
sulfur and fluroine
Answer

SF6

10.

carbon tetrachloride
carbon and chlorine
Answer
CCl4
Answer

 

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