Across
- 3. electron / Outside electrons that determine chemical properties
- 5. / As you go down each row another energy shell is added
- 7. / All substances are the same throughout(looks like substance.)
- 10. / 2 or more atoms, same or different type
- 12. / 2 or more substances combined physically
- 13. Shells / The orbit electrons follow
- 15. / Anything that has mass and volume
- 16. / Forms into this
Down
- 1. / Amount of matter in an object
- 2. / Visibly different substances throughout(can see all parts.)
- 4. / 2 or more different types of atoms
- 6. / Amount of space something occupies
- 8. / 1 type of atom
- 9. / Adds one valance electron as you go down
- 11. / Melts into this
- 14. / Evaporates into this