Across
- 1. has a negative charge
- 3. can make 4 covalent bonds
- 4. bonds that cause surface tension
- 6. have a mass and a positive charge
- 8. can be lost of gained to become stable
- 10. bond between two metals
- 12. donates electrons
- 14. heavy version of an atom or ion
- 17. 4th shell has one valence electron
- 18. atom with 1 electron in it's second shell
- 20. atom that has lost/gained electron(s)
- 21. atom with a full outer shell (unreactive)
- 23. third shell only has one electron
- 24. water climbing up small tubes
- 28. tends to "hog" electrons and be a region of negative polarity
- 29. has 7 valence electrons in the 2nd shell
Down
- 2. have a mass but no charge
- 3. attractive forces between like molecules
- 5. bond between two non-metals
- 7. atom with 5 neutrons
- 9. can make 3 covalent bonds
- 11. attractive forces between dissimilar molecules
- 13. third shell has 3 valence electrons
- 15. having a region of positive and region of negative charges
- 16. receives or shares electrons
- 19. bond between metal and nonmetal
- 22. molecule with 2 or more elements
- 25. is always neutral P = E
- 26. 3rd shell has 7 valence electrons
- 27. element with 2 protons and 2 neutrons