| % Mass | Elements | Compound | % Correct |
|---|---|---|---|
| 55 | hydrogen, oxygen | water | 98%
|
| 2 | hydrogen, carbon, oxygen | carbohydrates | 67%
|
| 20 | hydrogen, carbon, nitrogen, oxygen | protein | 67%
|
| 15 | hydrogen, carbon, oxygen | fats | 64%
|
| 5 | calcium, phosphorus, potassium, sodium, or magnesium | minerals | 29%
|
| 1 | hydrogen, carbon, nitrogen, oxygen | vitamins | 22%
|