Across
- 2. property, a characteristic of a substance that can be observed without changing the substance into another substance
- 5. heat energy obsorbed from the enviroment
- 7. composition, arrangement, type, and ratio of elements (composed of atoms) in molecules of a chemical substance
- 10. is the transfer of heat energy by direct contact (collisions of atoms)
- 13. same composition
- 14. Particles are too small to see and also too small to settle or be filtered out of the mixture.
- 15. what is doing the dissolving
Down
- 1. is the transfer of energy with the help of electromagnetic waves (movement of atoms through space).
- 3. varies in Composition
- 4. number = Number of protons
- 6. is the movement of heat by actual motion of matter (e.g. air, water)
- 8. combination of two or more substances in any proportion that are NOT chemically changed.
- 9. has 3 Subatomic Particles and is ALWAYS neutral
- 11. what is being dissolved
- 12. heat energy is released into the environment