Challenge 2

1
Compound Challenge

• Challenge 2

T. Trimpe 2008 http//sciencespot.net/
2
Use the formulas provided to determine the number
of atoms of each element in each compound.
1. 4CO2 2. 2H2O2 3. 3Mg(OH)2 4. 6NaSO4 5.
4CH4
Remember to list each elements symbol and tell
the number of atoms for each!
3
The answers are
C 4 O 8
1. 4CO2 2. 2H2O2 3. 3Mg(OH)2 4. 6NaSO4 5.
4CH4
H 4 O 4
Mg 3 O 6 H 6
Na 6 S 6 O 24
C 4 H 16