Across
- 2. To make an educated guess
- 4. Smallest particle of an element
- 5. Greek and Latin roots of chemical
- 8. To show a chemical
- 10. Positive charge in nucleus
Down
- 1. The way atoms are in a periodic table
- 3. Average mass of isotope
- 6. Positively charged particle
- 7. Chemicals in order
- 9. Dense center of particle