Across
- 2. Smallest part of an element
- 7. Rings of electrons
- 9. Change in size, shape, or state of matter
- 11. Surrounds and atom
- 13. Mass-Atomic#=Neutrons
- 14. Tells how many molecules are in a chemical formula
- 15. Unit used to measure atoms
- 16. Something made up of only 1 type of atom
- 18. An atom with a low amount of valence electrons is very...
Down
- 1. Protons, Neutrons, Electrons
- 3. Columns on the Periodic Table
- 4. An atom with a large amount of valence electrons is...
- 5. Negative Charge
- 6. Rows on the Periodic Table
- 8. Center of an atom
- 10. Change in a substance's atoms
- 12. No Charge
- 15. Atomic#=Protons=Electrons
- 16. Positive Charge
- 17. Tells how many atom are in an element