Across
- 3. The study of how heat is involved in chemical reactions.
- 6. The amount of heat required to raise the
- 8. The distance between successive peaks of a wave.
- 10. The energy of moving particles in a substance, related to
- 13. The movement of heat from one object or substance to
- 14. Atoms of the same element that have different numbers of neutrons.
- 15. of a substance by one degree Celsius.
- 17. The part of the universe being studied in a chemical reaction.
- 18. A measure of the disorder or randomness in a system; higher entropy means more
- 20. to another.
- 22. A measure of how hot or cold something is.
- 23. The central part of an atom containing protons and neutrons.
- 26. The process of a substance changing from one state (solid, liquid,
Down
- 1. Energy stored in the bonds of a chemical
- 2. Negatively charged subatomic particles found in atoms.
- 4. A reaction that releases heat.
- 5. The total heat content of a system.
- 7. The minimum energy needed for a reaction to occur.
- 9. A pure substance consisting of only one type of atom.
- 11. Positively charged subatomic particles located in the nucleus of an atom.
- 12. A reaction that absorbs heat.
- 16. A unit of energy used to measure heat.
- 19. Neutral subatomic particles that reside in the nucleus of an atom.
- 21. A form of energy that can be transferred between objects.
- 24. Everything outside of the system being studied.
- 25. The number of waves that pass a given point per unit of time.
- 27. The smallest unit of life.