Across
- 5. A combination of symbols that represents the elements in a compound, like "H2O" for water.
- 8. Changing the order of something in order to create new substances.
- 11. The starting substance in a chemical reaction.
- 12. The temperature at which a liquid changes to a gas, but no new substance is formed. Water has a __ __ of 100 degrees Celsius.
- 13. A ___ is formed when two or more atoms bond together. (i.e. H2O = water)
- 14. The smallest particles that make up all the matter and ___ during chemical reactions.
Down
- 1. A process in which substances change into new substances with different chemical properties.
- 2. The relative size of things.
- 3. Ice has a ___ ___ of 0 degrees Celsius, the temperature where it changes from a solid to a liquid.
- 4. Scientists use these to represent how atoms are arranged and interact with one another in a chemical reaction.
- 6. The ability to rust is a chemical ___ of iron because it reacts with oxygen over time.
- 7. Something that is made of all the same atoms or groups of atoms.
- 9. Some acids are ___, meaning they can eat away at metals over time.
- 10. In the reaction between hydrogen and oxygen, water is the ___ that is formed. (The end result.)