Chemistry

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Across
  1. 4. Group of non-metal elements including fluorine and chlorine.
  2. 7. Substance that changes color in the presence of an acid or base.
  3. 8. Element that is typically hard, shiny, and conducts electricity.
  4. 10. Type of separation using a magnet.
  5. 11. Measure of how easily a substance undergoes a chemical reaction.
  6. 12. Change from solid to liquid.
  7. 14. Reaction where a more reactive element replaces a less reactive one.
  8. 17. Process that uses electricity to split compounds.
  9. 20. Regular arrangement of particles.
  10. 23. Change from liquid to solid.
  11. 25. Substance that accepts hydrogen ions.
  12. 27. metals, Elements that are usually gases or brittle solids and poor conductors.
  13. 28. Product of a reaction between an acid and a base.
  14. 30. Basic unit of a chemical element.
  15. 32. Solid, liquid, and gas.
  16. 33. An attraction between atoms to form molecules.
  17. 36. particles, Protons, neutrons, and electrons.
  18. 37. Substance that donates hydrogen ions.
  19. 39. Positively charged ion.
  20. 42. Loss of electrons in a reaction.
  21. 44. State of matter with a definite shape and volume.
  22. 46. Lightweight, silvery metal often used in cans.
  23. 48. Negatively charged ion.
  24. 51. ion, Negatively charged ion (OH⁻).
  25. 53. Positively charged particle in the nucleus.
  26. 56. Process of dividing substances.
  27. 58. shell, Regions around the nucleus where electrons are found.
  28. 60. Technique to determine the concentration of a solution.
  29. 61. Process where solid forms from a solution.
  30. 62. gases, Inert elements like helium and neon.
  31. 63. Change from gas to liquid.
Down
  1. 1. Technique for separating mixtures based on movement through a medium.
  2. 2. scale, Measure of acidity or alkalinity.
  3. 3. Process of removing something.
  4. 5. Change from solid directly to gas.
  5. 6. Reaction between an acid and a base.
  6. 9. Type of attraction between charged particles.
  7. 13. State of matter that expands to fill its container.
  8. 15. Particle orbiting the nucleus with a negative charge.
  9. 16. Soluble base.
  10. 18. Electrons in the outer shell of an atom.
  11. 19. Process of converting waste into reusable material.
  12. 21. Gain of electrons in a reaction.
  13. 22. furnace, Huge oven used to extract iron from its ore.
  14. 24. Center of an atom containing protons and neutrons.
  15. 26. Slow vaporization of a liquid.
  16. 29. Change from gas directly to solid.
  17. 31. Anything that has mass and takes up space.
  18. 34. number, Total number of protons and neutrons in an atom.
  19. 35. Process of removing solids from liquids or gases.
  20. 38. Separation technique based on boiling points.
  21. 40. Rock that contains a valuable metal.
  22. 41. Rapid vaporization of a liquid.
  23. 43. Charged particle formed when an atom gains or loses electrons.
  24. 45. State of matter that flows and takes the shape of its container.
  25. 47. ion, Positively charged ion (H⁺).
  26. 49. Neutral particle in the nucleus.
  27. 50. Atoms of the same element with different numbers of neutrons.
  28. 52. Process where liquid turns into gas.
  29. 54. Negatively charged subatomic particle.
  30. 55. Large structure with many atoms bonded together.
  31. 57. number, Number of protons in an atom.
  32. 59. Element found in all living things.