Name Use Formula # of Atoms Elements # of Each Element

Counting Atoms Total # of different Symbol and Name Use Formula # of Atoms elements # of each element

1. Calcium Carbonate Limestone CaCO3 ______

2. Aspirin Pain Reliever C9H8O4 ______

3. Magnesium Hydroxide Milk of Magnesia Mg(OH)2 ______

4. Paradichlorobenzene Moth Crystals C6H4Cl2 ______

5. Acetic Acid Vinegar C2H4O2 ______

6. Trinitrotoluene (TNT) Explosive C7H5(NO2)3 ______

7. Calcium dihydrogen phosphate Fertilizer Ca7(H2PO4)2 ______

8. Pyrite Fool’s Gold FeS2 ______

9. Sucrose Sugar C12H22O11 ______

10. Heptane Gasoline C5H12 ______

11. Sulfuric Acid Car Batteries H2SO4 ______

12. Methyl t-butyl Ether CH3OC(CH3)3 ______

13. Asbestos Banned Insulator H4Mg3Si2O4 ______

14. Silicon Dioxide Sand SiO2 ______

15. Iron Oxide Rust Fe2O3 ______

16. Butane Lighter Fluid C4H10 ______

17. Dichlorodiphenyltrichloroethane Banned Pesticide C14H9Cl5 ______(DDT)