Across
- 2. a stable subatomic particle occurring in all atomic nuclei
- 4. mass divided by volume
- 6. is the state or power of being reactive
- 8. composition of 2 or more separate elements.
- 9. form to make molecules
- 11. The energy is stored in the bonds of chemical compounds,
- 13. a characteristic of matter that may be observed and measured without changing the chemical identity of a sample.
- 14. Part of an experiment and is made of molecules
- 16. List of Elements
- 17. substances used in experiments
- 22. The notation for an element on the periodic table
- 23. The average mass of the atom of an element
- 25. The number of protons
- 26. mass divided by density
Down
- 1. The ability to conduct or transmit something like heat, sound, or electricity.
- 3. A form of energy that an object has due to its motion.
- 5. chemical reaction that absorbs heat
- 7. Result of chemical reaction
- 10. Substance that makes up everything
- 11. Irreversible
- 12. is a stable subatomic particle with a charge of negative electricity
- 15. Shell the outer part of an atom that surrounds the atomic nucleus.
- 18. Quality/trait synonym
- 19. is a subatomic particle of about the same mass as a proton but without an electric charge
- 20. chemical reaction that produces heat
- 21. density times volume
- 24. adding one substance with another, and making a new solution
