Vocab Crossword

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Across
  1. 1. Right side of the Periodic Table
  2. 6. a change that does not affect the identity of the substance
  3. 8. two or more atoms of the same element
  4. 9. 2x
  5. 10. the energy stored in the bonds of a compound
  6. 11. Equation has an equal number of atoms on both sides of the arrow
  7. 14. an educated guess on how the experiment will turn out(if-then statement)
  8. 16. the variable that is changed on purpose
  9. 18. trying the experiment
  10. 19. gained electrons
  11. 22. parts of a mixture look the same
  12. 25. the elements have a repeating pattern that allow them to be placed in groups and periods
  13. 27. hydrocarbon and oxygen form water and carbon dioxide
  14. 28. lost electrons
  15. 31. all atoms want 8 valence electrons like the noble gases
  16. 32. decimal number on the Periodic Table
  17. 37. absorbs energy in the form of heat
  18. 38. basic unit of life
  19. 39. 1 element and 1 compound form a new element and compound
  20. 41. true information
  21. 43. elements transfer electrons
  22. 44. releases energy in the form of heat
  23. 45. same ratio of atoms no matter the size of the substance
  24. 46. things that are changed in an experiment
  25. 47. can be observed without changing the substance
  26. 50. makes a reaction go faster but is not used up
  27. 51. ion with more than one atom,has a charge, acts like a single unit
  28. 54. location of protons and neutrons
  29. 55. rounded atomic mass
  30. 56. only one variable is changing
Down
  1. 2. On the stair step
  2. 3. simplest form of that species
  3. 4. mass over volume
  4. 5. the variable being tested
  5. 7. a change that creates a new substance
  6. 8. atom has gained of lost electrons
  7. 9. 2 elements share or transfer electrons making a new substance
  8. 10. elements share electrons
  9. 12. a chemical change that produces a new substance
  10. 13. 2 or more atoms chemically combined
  11. 15. left side of Periodic table
  12. 17. 1 compound forms 2 elements
  13. 20. particles within the atom
  14. 21. 2 compounds form 2 new compounds
  15. 23. negative
  16. 24. variable that cannot be changed
  17. 26. vertical columns
  18. 29. the substance after the change has occurred
  19. 30. the substance before the change
  20. 33. positive
  21. 34. tells us the number of atoms of each element in a compound
  22. 35. is the symbolic representation of a chemical reaction in the form of symbols
  23. 36. parts of a mixture look different
  24. 39. 2 elements form a compound
  25. 40. describes how a substance changes into a new substance
  26. 42. 2 or more atoms-compounds physically combined
  27. 48. whole number on the Periodic Table
  28. 49. horizontal columns
  29. 51. trait
  30. 52. neutral
  31. 53. where the electrons are located