Final Crossword Puzzle

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Across
  1. 1. The letter(s)found in an element box to represent that element.
  2. 4. This is the same as the number of protons.
  3. 6. Cations ______ an electron.
  4. 8. Protons are...
  5. 12. The middle of an atom.
  6. 13. NaCl (ionic)
  7. 15. compounds with a metal and nonmetal
  8. 17. This is found by adding the particles in the nucleus.
  9. 21. N2O5 (covalent)
  10. 23. This has a charge because it gained or lost electrons.
  11. 26. A reaction that absorbs energy.
  12. 29. Neutral (pH of 7)
  13. 30. IF4(covalent)
  14. 33. The safety flame appears ________.
  15. 34. Protons, neutrons, and electrons are called...
  16. 35. Anions ______an electron.
  17. 36. Chemical Symbol Au
  18. 38. The negative particle found outside the nucleus of an atom
  19. 40. When turning on a bunsen burner you want to start with a ______ flame.
  20. 41. The second electron shell can hold this many.
  21. 42. The fist electron shell can hold this many.
  22. 44. A negative ion.
  23. 47. If the amount of electrons and protons match in an atom it is...
  24. 50. If the amount of protons and neutrons match in an atom it is...
  25. 51. Chemical Symbol N
  26. 52. Chemical Symbol K
  27. 53. Electrons and Protons are the ______ particles.
Down
  1. 1. Chemical Symbol Cl
  2. 2. The electrons in the outermost shell.
  3. 3. Chemical Symbol H
  4. 5. The atomic mass is found at the ______of an element's box.
  5. 7. below 7 pH
  6. 9. Li3P (ionic)
  7. 10. The atomic number is found at the _______of an element's box.
  8. 11. Hydrogen has this many protons.
  9. 12. NO (covalent)
  10. 14. To turn ____the gas make sure it is an L shape.
  11. 16. When using a bunsen burner you should wear ________ goggles.
  12. 18. Before turning on a bunsen burner you should turn the collar to make sure the ______ are closed.
  13. 19. An endothermic reaction feels _______to touch.
  14. 20. The first letter in a chemical symbol is uppercase. The second is_______.
  15. 22. Uses dots to show the amount of valence electrons
  16. 24. Most acidic (pH of 0)
  17. 25. An exothermic reaction feels ______to touch.
  18. 27. The nucleus it made of neutrons and ________.
  19. 28. Has numbers on it that determine if something is acidic or basic based off the potential hydrogen.
  20. 31. above 7 pH
  21. 32. Chemical Symbol B
  22. 37. The neutral particle found in the nucleus.
  23. 39. A postive ion.
  24. 43. Chemical Symbol He
  25. 45. 7 pH
  26. 46. compounds with two nonmetals
  27. 48. A reaction that releases energy.
  28. 49. Carbon has this many valence electrons.