Physical Science Final Exam Review 2023

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Across
  1. 2. reaction to make ammonia
  2. 4. the substance that does the dissolving in a solution
  3. 6. conducted the gold foil experiment and discovered positive charges
  4. 11. change from liquid to gas
  5. 12. Temperature is the average _____ of particles.
  6. 14. reaction that gives off energy (warm to touch)
  7. 15. B,Si,Ge,As,Sb,Te
  8. 16. radioactive elements (Ac,Th,Pa, etc.)
  9. 18. bond formed by transferring electrons
  10. 19. rare earth metals (La,Ce, etc.)
  11. 23. heat transferred by touching objects together
  12. 24. discovered electrons
  13. 28. Temperature scale based on absolute zero where there is no movement
  14. 35. electrons in the outer orbit
  15. 36. father of modern chemistry
  16. 37. the substance dissolved in a solvent
  17. 38. reaction that absorbs energy (cold to touch)
  18. 41. The Law of the Conservation of Matter requires this of chemical equations
  19. 42. change from gas to liquid
  20. 44. A substance formed when two or more elements are chemically combined
  21. 45. He,Ne,Ar,Kr,Xe,Rn
  22. 46. state of matter with high energy
Down
  1. 1. The process of molten metal becoming solid
  2. 3. most reactive metal
  3. 5. Heat transferred through waves
  4. 7. ions produced by bases
  5. 8. Heat transferred through fluids
  6. 9. F,Cl,Br,I,At,Ts
  7. 10. universal solvent
  8. 13. negatively charged ion
  9. 17. homogeneous mixture
  10. 18. atoms with different masses due to changes in neutrons
  11. 20. state of matter with particles packed closely together
  12. 21. AB + CD -> AC + BD
  13. 22. created a periodic table arranged by mass
  14. 25. and H)
  15. 26. able to be dissolved
  16. 27. bond formed by sharing electrons
  17. 29. reaction that produces carbon dioxide and water
  18. 30. positively charged ion
  19. 31. said electrons move in orbits like planets around the sun
  20. 32. First person to theorize that matter is made of small indivisible atoms
  21. 33. pH=7
  22. 34. not the same throughout
  23. 39. 7 elements that are found in pairs (N,
  24. 40. Li,Na,K,Rb,Cs,Fr
  25. 43. Be,Mg,Ca,Sr,Ba,Ra