Across
- 2. All the elements together
- 5. Number How many protons there are
- 8. 2 or more elements
- 10. Negative
- 11. Cloud Where the electrons are
- 13. Substance One type of atom
- 14. A pure substance
- 15. Atom Neutron
- 16. Number of atoms
- 18. Neutral
- 19. Anything with volume and mass
Down
- 1. Number of molecules
- 3. Makes up everything
- 4. mass Protons + Neutrons
- 6. 2 or more atoms put together
- 7. Symbol 1-3 letters labeling and element
- 9. Positive
- 12. Where protons are
- 16. Particle Protons, Neutron, and electrons
- 17. Formula Chemicals with Coefficients and Subs