GENERAL CHEMISTRY

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Across
  1. 1. _______ conceptualized chemical elements into the first rudimentary periodic tables.
  2. 4. He asserted that all pure substances were homoeomerous and composed of the elements air, earth, fire, and water.
  3. 6. Liquid to Gas
  4. 7. Gas to Liquid
  5. 8. The sticking together of particles of the same substance.
  6. 13. Is the branch of science that explores the chemical proce, or scattered.
  7. 14. Ability to scatter a beam of light that passes through it.
  8. 15. Accompanied by or requiring the absorption of heat.
  9. 16. It consists of a gas of ions – atoms which have some of their orbital electrons removed – and free electrons.
  10. 17. Ability of solute to dissolve in a solvent to form a solution.
  11. 19. Solid to Gas
  12. 20. Solid to Liquid
  13. 21. Consist of a dispersed phase or the substance that is dissolved or scattered.
  14. 25. Composed of only one kind of atom.
  15. 27. The vertical columns on the periodic table.
  16. 30. Are a type of subatomic particle with a positive charge.
  17. 31. The separation of a mixture by passing it in solution or suspension.
  18. 35. Any of the electronegative elements that form binary salts by direct union with metals.
  19. 39. A chemical reaction that releases energy through light or heat.
  20. 40. Non-zero digits are always ________.
  21. 42. ________ zeros to the right of the decimal are significant.
  22. 43. Anything that occupies space and has volume.
  23. 45. Composed of two or more substances combined physically in variable proportions.
  24. 47. Smallest unit of a matter.
  25. 48. Are a type of subatomic particle with no charge.
Down
  1. 2. Is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons.
  2. 3. ________ zeros are not significant.
  3. 5. A mixture whose composition varies from one position to another within the sample.
  4. 9. Consist of a course particle which are visible to the naked eye.
  5. 10. The atoms are closely packed together.
  6. 11. Studies and uses instruments and methods used to separate, identify, and quantify matter.
  7. 12. The study of carbon and its compounds; the study of the chemistry of life.
  8. 17. The liquid in which a solute is dissolved to form a solution.
  9. 18. Take on the shape of their container.
  10. 22. Gas to Solid
  11. 23. Having minute spaces or holes through which liquid or air may pass.
  12. 24. Type of subatomic particle with a negative charge.
  13. 26. Contribute to the degree of accuracy of the value.
  14. 28. Changes affecting the form of a chemical substance, but not its chemical composition.
  15. 29. Changes occur when a substance combines with another to form a new substance
  16. 32. is the process in which atoms, ions or molecules from a substance adhere to a surface of the adsorbent.
  17. 33. Has no fixed shape and no fixed volume.
  18. 34. Study of properties, composition, and structure of a matter.
  19. 36. Universal solvent
  20. 37. Also called as solution, is relatively uniform in composition.
  21. 38. Process of converting certain elements into others.
  22. 41. The ability to flow
  23. 44. Believed that everything in the universe was made up of atoms, which were microscopic and indestructible.
  24. 46. The study of compounds not covered by organic chemistry; the study of inorganic compounds, or compounds that don't contain a C-H bond.