Across
- 4. Two or more elements combined
- 7. All things are made of this
- 9. Protons tell you this
- 10. the "glue" that keeps atoms together
- 11. Pure substance that cannot be changed
- 13. Left side of a chemical equation
- 14. Protons+neutrons
- 16. Second column of the periodic table
- 17. Holds all the weight of an atom
- 18. Two or more substances that can be separated
Down
- 1. The right side of the chemical equation
- 2. The big or first number in a chemical equation
- 3. Negatively charged particle
- 5. Neutrally charged particle
- 6. Short way to show reactions using symbols
- 8. Positively charged particle
- 12. Smallest particle of matter
- 14. First column of the periodic table
- 15. The smaller number in a chemical equation