Across
- 3. Light at a certain frequency causes metals to
- 5. Atoms with different numbers of protons are different
- 7. The sum of protons and neutrons in a particular atom of an element
- 9. Element with the symbol, Zn
- 10. Light of 400nm is seen as
- 12. Are normally at the ground state (the lowest energy possible)
- 13. Every atom has a
- 15. 2.0eV needed to ______
- 16. Named after the gem color
- 21. 3.00 x 10⁸ m/s
- 23. Higher frequency =
- 26. Longer wavelength =
- 28. Everything is made up of
- 30. What was the metal cation for the unknown salt in the Flame test experiment?
- 32. Atoms ______ energy and become excited
- 33. NaCI
- 34. An atom that has gained or lost one or more electrons
- 36. Element with the symbol, Sn
- 38. Atoms with the same number of protons but different number of neutrons
- 39. Every atom's nucleus is orbited by
- 40. With what acronym does energy and frequency increase as it goes from left to right
- 41. Element that gave off red flame
- 43. Each element has its own
Down
- 1. Element with a mass of 4
- 2. Element with a mass of 84
- 4. Constant 6.6626 x 10⁻³⁴ Js
- 6. The ____ spans the wavelength region from about 400nm to 700nm
- 8. Minimum amount of energy that can be gained or lost by an atom
- 11. The relationship between frequency and wavelength
- 14. Each elementś ____ is unique and can be used to identify it
- 17. As the color of light changes, so does the amount of energy it
- 18. The number of protons is referred to as the
- 19. Number of neutrons=
- 20. Light of 700nm is seen as
- 21. What is cesium named after?
- 22. Atoms are made up of _____ particles
- 24. Element with 118 neutrons
- 25. Atoms with a negative charge and have more electrons than protons are called
- 27. _____ Gold Foil Experiment
- 29. Speed of light=
- 31. What element has a symbol of Hg
- 35. Atoms with a positive charge and fewer electrons than protons are called
- 37. What we used to imitate the Gold Foil Experiment
- 42. Element with the symbol, Fe