Across
- 1. a substance that is currently a gas, but normally is a liquid or solid at room temperature
- 3. a process that releases energy into its surroundings
- 4. substances that are formed during the reaction
- 6. a measure of the amount of space that is occupied
- 8. a measure of the amount of matter
- 11. a pure substance made of only one kind of atom
- 13. a solid that separates from solution
Down
- 2. beginning substances that start a reaction
- 3. a process that absorbs energy from the surroundings
- 5. fixed shape, fixed volume
- 7. the smallest unit of an element that maintains the properties of that element
- 8. anything with mass that occupies space
- 9. particles collide with enough energy to break into charged particles
- 10. Variable shape, variable volume
- 12. variable shape, fixed volume