Across
- 2. length measured with a ruler
- 3. time measured with a clock or a temperature
- 7. measured with a graduated cylinder
- 9. negatively charged ion
- 10. positively charged ion
- 14. tend to gain e-
- 15. black
- 17. tend to lose e-
- 19. measured as half the distance between the nuclei.
- 20. measured with a balance
Down
- 1. tempeture measured with a thermometer
- 4. all elements exist
- 5. a measuring system that selects one thing to be the standard.
- 6. metalloidettaloid line
- 8. the standard unit
- 11. mass measured with a balance
- 12. the mass of an atom given in amu
- 13. atoms will gain,lose, or share valence e-
- 16. an open or group of atoms that have either gained or lost e-
- 18. a neutral particle having equal numbers of p+ nd e-