Matter & Atomic Structure
Across
- 5. Hydrargyrum
- 6. a substance that cannot be broken down chemically
- 7. a short way of writing a chemical reaction
- 9. a short way of writing a compound's name
- 10. a substance made of 2 or more elements chemically combined
- 13. the number of protons in the nucleus (two words, no space)
- 15. anything that has mass and takes up space
- 16. the negatively charged particle outside of the nucleus
- 18. the study of the properties and changes of matter
Down
- 1. how much space an object takes up
- 2. the proper name for burning
- 3. a short way of writing an element's name
- 4. the name of the big number that shows how many molecules are
- 8. a positively charged particle in the nucleus
- 11. the particle in a atom that does not have any charge
- 12. the name of the little number that shows how many atoms are in a reaction
- 14. the measure of the pull of gravity on an object
- 15. the measure of how many molecules are in a substance (often confused with weight)
- 17. how close a substance's molecules are
- 19. Argentum