Across
- 6. rule which atoms will gain or lose electrons to become isoelectronic to a noble gas
- 9. sharing of electrons
- 10. mad up of multiple atoms
- 11. horizontal rows on periodic table
- 13. everything that takes up space
- 14. a transfer of electrons which one gains and one loses electrons
- 17. bonds where the electrons are shared equally
- 18. the number to the top left of the element on the periodic table
- 19. the amount of matter in something
Down
- 1. the number below the element on the periodic table
- 2. the tendency for the atoms of the element to attract electrons
- 3. bonds where the electrons are shared unequally
- 4. group 17 elements
- 5. made up of a single atom
- 7. the study of how matter interacts
- 8. negative ion
- 9. positive ion
- 12. electrons in the outermost energy level
- 15. vertical columns of periodic table
- 16. an atom or group of atoms that has a positive or negative charge