Across
- 3. Motion & Chemical Reactions
- 7. Gas: gases with complete outer shells
- 10. center of atom
- 12. group shares properties of both metals and nonmetals
- 13. (on the P.T.): section based on properties of element
- 17. produces heat
- 18. smallest particle makes up everything
- 19. negative charge
- 22. paths of electrons
- 24. abbreviation of an element
- 26. makes up the periodic table
Down
- 1. Table
- 2. group on periodic table dull , non reactive
- 4. material made up of a chain of molecules
- 5. absorbs heat
- 6. something that reacts
- 8. electron: electrons make up outer shells of atoms
- 9. group on periodic table shiny, reactive
- 11. made up of 2 or more atoms
- 14. something produced from a chemical reaction
- 15. of Conservation of Mass: atoms can not be created or destroyed
- 16. Mendeleev: made the periodic table
- 20. neutral charge
- 21. positive charge
- 23. number: number of electrons and protons
- 25. (on the P.T.): row on P.T.