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Stack #4730693
| Question | Answer |
|---|---|
| What is sublimation | A solid that turns directly into a gas |
| What are the 3 states of matter | Solid,liquid,gas |
| What does freezing mean | It means that a liquid turns into a solid |
| What is melting | A solid turning into a liquid |
| Is H2O a compound or a element | Compound |
| How many groups are in the periodic table | 18 |
| How many periods are in the periodic table | 7 |
| What is a mixture | Elements that are not chemically combined |