Original Project
Atoms, Molecules, and States of Matter
Item AM062004: As water boils, the molecules become separated from each other.
What happens as liquid water boils?
- The molecules are destroyed.
- The mass of the molecules decreases.
- The molecules become separated from each other.
- The molecules break down into hydrogen and oxygen atoms.
Answer Choice |
Overall |
Grades |
Gender |
Primary Language |
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|---|---|---|---|---|---|---|---|---|
| n = 2922 |
6–8 n = 1809 |
9–12 n = 1105 |
Male n = 1395 |
Female n = 1488 |
English n = 2600 |
Other n = 291 |
||
| A. | The molecules are destroyed. | 10% | 11% | 7% | 10% | 9% | 10% | 11% |
| B. | The mass of the molecules decreases. | 12% | 14% | 9% | 13% | 12% | 12% | 19% |
| C. | The molecules become separated from each other. | 43% | 38% | 50% | 43% | 43% | 44% | 33% |
| D. | The molecules break down into hydrogen and oxygen atoms. | 35% | 36% | 34% | 35% | 36% | 35% | 38% |