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