Across
- 2. area surrounding the atom where electrons are
- 3. smallest form of all elements
- 4. positively charged particle
- 7. middle section of the periodic table
- 9. the middle of an atom
- 10. (negatively charged particle)
Down
- 1. table containing all of the earth's elements
- 5. neutral particle (no charge)
- 6. far right section of the periodic table
- 8. far left section of the periodic table