Across
- 3. the process of a substance changing from one state to another
- 4. positivly charged subatomic particles located in the nucleus of an atom
- 6. the part of the universe being studied in a chemical reaction
- 8. atoms of the same element that have different numbers of neutrons
- 9. the smallest unit of a chemical
- 12. the smallest amount of energy that can be emmited or absorbed as electromagnetic radiation
- 14. stateing that energy cannot be created nor destroyed, only transformed
- 16. the total heat content of a system
Down
- 1. a measure of how well a material conducts heat
- 2. a unit of energy used to measure heat
- 5. the number of protons in the nucleus of an atom, which determines the elements identity
- 6. a fundamental property of electrons that describes their intrinsic angular momentum
- 7. the movement of heat from one object or substance to another
- 10. the study of how heat is involved in chemical reactions
- 11. a fundamental constant used to describe the sizes of quanta in quantum mechanics
- 13. a pure substance consisting of only one type of atom
- 15. negatively charged subatomic particles found in atoms