Across
- 3. Change a change from one state to another
- 5. number multiplied by variable
- 6. basic unit of a chemical element
- 7. uncharged atomic particle that has mass
- 8. shiny, malleable, solid
- 10. a simple substance
- 12. Table of Elements elements in a table
- 15. anything that has mass and takes up space
- 16. letter or number to the side of another character
- 17. Symbol abbreviations for an element
- 19. two or more separate elements
Down
- 1. group of atoms held together
- 2. Number number of protons in the nucleus
- 3. stable subatomic particle
- 4. lacks metal attributes
- 9. Change change of chemical substances
- 11. subatomic particle with negative energy
- 13. Mass total mass in an atom
- 14. Formula a number of atoms of each element in a compound
- 18. properties between metals and nonmetals