Across
- 4. bond where electrons are shared
- 7. made of protons, neutrons, and electrons
- 8. makes identity of substance
- 9. many atoms bonded together
- 10. bond where electrons are transferred
Down
- 1. alter identity of substance
- 2. column on periodic table
- 3. pure substance
- 5. links in atoms of a substance
- 6. row on periodic table