Chemistry

123456789101112
Across
  1. 3. Shorthand configuration for Pt
  2. 7. Find sig figs for 9.0000
  3. 8. Everything is made up of?
  4. 9. # of electrons =?
  5. 11. If isotopes have the same # of protons, what don't they have the same # of?
  6. 12. How many electrons can 3d hold?
Down
  1. 1. Find the wavelength of electromagnetic radiation having a frecency of 5.00*10^12 Hz?
  2. 2. Electron configuration for Na
  3. 4. Atoms with a negative charge have more electrons than protons are called?
  4. 5. How many electrons can 4f hold?
  5. 6. Electrons have a what charge?
  6. 10. [Kr] 5s^2 4d^10 5p^6