Across
- 2. determined the color of the flame in the salt
- 4. represents an element
- 8. a proton is
- 9. when atoms absorb energy they become
- 11. color of cesium when burned
- 12. atom that has gained or lost one or more electrons
- 18. atoms with the same number of protons, but different number of electrons
- 20. element that is also a planet
- 22. the shape of an s orbital
- 23. particle of light
- 25. atoms with fewer electrons then protons
- 31. element with the symbol "Db"
- 32. atoms with different numbers of protons
- 34. gem that rubidium is based off of
- 35. number below the elements symbol
- 37. used to protect your clothes during labs
- 40. element with the symbol "Si"
- 42. tiny object made entirely of protons and neutrons
- 43. number of protons hydrogen has
- 44. responsible for the gold foil experiment
- 45. tool used to hold objects
- 46. tool we used to hold the fire during the flame lab
Down
- 1. sub-atomic particles with a zero charge
- 3. noble gas before argon
- 5. sum of protons and neutrons in an atom
- 6. the length between 2 peaks in a wave
- 7. element with the atomic number 79
- 10. a electron is
- 13. noble gas before radon
- 14. it is inside of milk
- 15. element you think of when you see a banana
- 16. first element in the periodic table
- 17. class you are solving this crossword puzzle in
- 19. 2nd element found in the periodic table
- 21. used to protect your eyes during labs
- 24. element with atomic number 50
- 26. number of protons an element has is referred to as
- 27. element with the symbol "FE"
- 28. particles that are smaller than atoms
- 29. element with the symbol "Na"
- 30. element with atomic number 106
- 33. sub-atomic particles with a +1 charge
- 36. gave off green flame in the flame lab
- 38. sub-atomic particles with a -1 charge
- 39. atoms with a negative charge are called
- 41. they make up everything
- 43. what we breath