Chemistry Comes Alive

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Across
  1. 3. Number, Total number of protons and neutrons in an atom.
  2. 7. Unstable isotopes that decay spontaneously.
  3. 8. Negatively charged particle equal in magnitude to the proton's charge.
  4. 11. The capacity to do work.
  5. 13. Universal energy compound of cells.
  6. 15. Bonds, Formed when electrons are transferred between atoms.
  7. 16. Energy (PE), Energy due to an object's position.
  8. 20. Has no definite shape or volume.
  9. 22. Mixture with non-uniform composition.
  10. 24. Ionic compound without H⁺ or hydroxyl ions.
  11. 26. The substance in larger quantity in a solution.
  12. 29. Substance with two or more elements chemically bonded in fixed proportions.
  13. 32. Combination of substances retaining their identities.
  14. 34. Produces hydrogen ions (H⁺) in water.
  15. 36. The substance in smaller quantity in a solution.
  16. 37. Starting materials in a chemical reaction.
  17. 38. Number, Number of protons in an atom.
  18. 40. The amount of matter in an object.
  19. 41. Composed of linked monosaccharides.
  20. 43. Positively charged ion.
  21. 46. Weight, Average mass of all isotopes of an element.
  22. 47. Basic unit of nucleic acids.
  23. 48. Strong intermolecular attraction between particles.
  24. 49. Insoluble in water, dissolve in lipids/organic solvents.
Down
  1. 1. Biological catalyst that speeds up reactions by lowering activation energy.
  2. 2. Repeating unit of a polymer.
  3. 4. Written above the normal line.
  4. 5. Atomic mass minus atomic number.
  5. 6. Energy (KE), Energy of a moving object.
  6. 9. Region around the nucleus where electrons are likely found.
  7. 10. Inorganic compound making up 60-80% of cell volume.
  8. 12. Dense core of an atom.
  9. 14. Bonds, Formed when atoms share electrons.
  10. 17. Atoms with the same atomic number but different mass numbers.
  11. 18. The study of matter and its changes.
  12. 19. Positively charged particle in the nucleus.
  13. 21. Produces hydroxide ions (OH⁻) in water.
  14. 23. Single-stranded nucleic acid.
  15. 25. Negatively charged ion.
  16. 27. The force gravity exerts on an object.
  17. 28. Substances formed by a chemical reaction.
  18. 30. Energy, Travels in waves.
  19. 31. Rays, High-energy radiation.
  20. 33. Compounds, Lack carbon.
  21. 35. A substance that can't be broken down chemically.
  22. 39. Compounds, Contain carbon.
  23. 42. Two or more atoms held by chemical forces.
  24. 44. Takes the shape of its container.
  25. 45. The basic unit of an element.