Across
- 2. Defined an atom as the smallest unit
- 3. A chemical bond that involves the sharing of electron pairs between atoms
- 5. reaction from the evidence of bubbles, color change, energy change, or precipitation
- 8. Discovered the nucleus
- 11. 2 or more atoms bonded together (pure substance)
- 15. When the layers of the e- are blocking the effect of the nucleus on the outside layers
- 17. structure of alternating of cations next to anions, and anions next to cation in an interwoven solid
- 18. A measure of the tendency of an atom to attract electrons
- 19. Positive for Tyndall effect and settles out
Down
- 1. How is the sharing of electrons described
- 4. Smallest form (pure substance)
- 6. Distance from the nucleus to the boundary of the surrounding electron
- 7. when hit the ions shift and repel one another
- 9. Discovered electrons
- 10. The energy necessary to remove an electron from a neutral atom
- 12. Positive for Tyndall effect but doesn't settle out
- 13. ending for all ionic compounds
- 14. Claimed all matter composed of atoms
- 16. rule for naming ionic compounds
- 20. uneven sharing of electrons