Chem Review Nov 2012
Across
- 2. planetary theory of electrons
- 5. elements which are heavier than uranium
- 6. this elements symbol is K
- 7. used to describe an atoms outermost electrons
- 9. he used dots to represent electrons
- 11. describes the spectrum of hot, glowing bodies such as the sun
- 12. when an polyatomic ion or compound has more than one representative Lewis dot structure
- 15. the synthetic (man-made) element in period 5.
- 17. bromine is a member of this group of "salt-formers"
- 18. won the Nobel Prize for explaining the photoelectric effect
- 20. most of the mass of an atom is located here
- 21. elements which are heavier than the actinides
- 22. the same element, but the number of neutrons differ
- 23. describes most of the volume of an atom
- 24. bonds formed between metals and nonmetals
- 25. experiment that proved the existence of the nucleus (2 words)
- 28. the series in the periodic table which contains uranium
- 29. this element can form multiple bonds with itself as well as other atoms
- 30. experiment to measure charge to mass ratio of the electron (2 words)
- 32. positively charged particle in the nucleus
- 33. particle in the nucleus with no charge
- 34. the molecular shape of carbon dioxide
Down
- 1. discovered the electron
- 3. the biological polymer formed from amino acid monomers
- 4. device used to discover the electron (3 words)
- 8. the series in the periodic table which contains Gd
- 10. Thomson's model for the atom (2 words)
- 13. bonds formed by sharing electrons
- 14. discovered the nucleus
- 16. the rows on the periodic table
- 19. measured the charge to mass ration of the electron
- 26. the most electronegative element
- 27. this element is not a metal, but its position on the periodic table is with the metals
- 31. the type of spectrum produced by low pressure emission tubes subjected to a high voltage
- 32. the "h" in E=hv is named after this scientist